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| Biology | lava lamp paper (how to make) | Things you can use to make a Lava Lamp.
There are many things you can use to make a Lava Lamp. Aside from wax and water, there are many other substances that you can use to make the lamp work in the same fashion. For example, you can use mineral oil as the lava and 90% isopropyl alcohol mixed with 70% isopropyl alcohol (rubbing alcohol) as the liquid inside the lamp. By m... |
| Biology | A cloned chop |
Cloning opens many doors of opportunities in the agricultural aspect of the United States of America. It has already been a major factor in saving the lives of many humans. I feel the society as a whole can not and should not degrade this scientifical finding. I feel that human cloning should not be done and that this subject raises too many ethical questions. I would like ... |
| Biology | A method to memory |
A Method to Memory
The other night I was sitting at home in my room watching the Rockets
game, and my phone begins to ring. I answer "Hello", and I hear this frantic
voice that I recognize as my friend Mandy's. Mandy is a nervous wreck, she has
a big bio-chem test in the morning and can't seem to remember a thing. I ask
her what kind of information she has, and she tells me she ha... |
| Biology | Acid rain |
Acid Rain
THOUGHTS ON ACID RAIN
Acid rain is a serious problem with disastrous effects. Each day this serious
problem increases, many people believe that this issue is too small to deal with
right now this issue should be met head on and solved before it is too late. In
the following paragraphs I will be discussing the impact has on the wildlife and
how our atm... |
| Biology | Aids |
AIDS
AIDS (acquired immunodeficiency syndrome) is a disease caused by a
virus- HIV (human immunodiciency virus). The first cases in this country came to
light in the early eighties. Although the origins of AIDS remains uncertain it
is thought to have emerged decades ago in sub-Saharan Africa. There is a
closely related virus (simian immunodeficiency virus, or SIV) that is found
... |
| Biology | Aids |
AIDS
The United Nations AIDS organization released disturbing estimates Thursday
of the seemingly relentless expansion of the HIV pandemic.
At a time when many Americans are increasingly optimistic that state-of-the-
art drug therapy might eliminate the virus, HIV is taking a heavy toll worldwide.
According to the agency, every minute of every day somewhere in the world,
six... |
| Biology | Aids |
AIDS
AIDS(Acquired Immune Deficiency Syndrome) is a deadly disease for which
there is no cure. This disease was first recognized in the mid 1980's. The
cause of AIDS is the HIV virus, and is most commonly spread by venereal routes
or exposure to contaminated blood or blood products. This disease weakens the
body's immune system, allowing other diseases to occur. The most comm... |
| Biology | Aids - acquired immune deficiency syndrome |
AIDS - Acquired Immune Deficiency Syndrome
Timur Eren Spring "96 HPE12
BACKGROUND
Since the first AIDS cases were reported in 1981, through mid-1994 more than
402,000 AIDS cases and more than 241,000 deaths have been reported in the United
States alone. This is only the tip of the iceberg of HIV infection, however. It
is estimated that nearly 1 million Americans had been infected... |
| Biology | Aids and hiv |
AIDS and HIV
Introduction
Being one of the most fatal viruses in the nation, AIDS (Acquired
Immunodeficiency Syndrome) is now a serious public health concern in most major
U.S. cities and in countries worldwide. Since 1986 there have been impressive
advances in understanding of the AIDS virus, its mechanisms, and its routes of
transmission. Even though researchers have put in co... |
| Biology | Aids and you |
AIDS and You
Introduction:
AIDS is a life and death issue. To have the AIDS disease is at present a
sentence of slow but inevitable death. I've already lost one friend to
AIDS. I may soon lose others. My own sexual behavior and that of many of
my friends has been profoundly altered by it. In my part of the country,
one man in 10 may already be carrying th... |
| Biology | Aids: us made? |
AIDS: US Made?
In an article in the Summer-Autumn 1990 issue of "Top Secret", Prof. J.
Segal and Dr. L. Segal illustrate their theory that AIDS is a man-made disease,
originating at Pentagon bacteriological warfare labs at Fort Detrick, Maryland.
"Top Secret" is the international edition of the German magazine Geheim and is a
sister publication to the American Covert Action Informat... |
| Biology | Aids: a u.s.- made monster? |
AIDS: A U.S.- Made Monster?
PREFACE
In an extensive article in the Summer-Autumn 1990 issue of "Top Secret", Prof J.
Segal and Dr. L. Segal outline their theory that AIDS is a man-made disease,
originating at Pentagon bacteriological warfare labs at Fort Detrick, Maryland.
"Top Secret" is the international edition of the German magazine Geheim and is
considered by many to be a sister... |
| Biology | Aids: aquired immune deficiency syndrome |
AIDS: Aquired Immune Deficiency Syndrome
I am doing a report on AIDS, I don't know much about AIDS but I will
tell you what I know. I know that it is transmitted by sexual
contact,blood,needles,children during/before birth. I also know it affects the
immune system directly, It is caused by the virus HIV which they have no cure
for either AIDS or HIV at the current moment, but they ar... |
| Biology | Aids:is there a cure? are there preventions? |
AIDS:Is There a Cure? Are There Preventions?
What is AIDS? How do you cure it? Find out by reading this report on
cures and preventions for the AIDS virus. In this report some of the topics
covered will be a small report on AIDS, preventions, and possible cures. This
report was written to prove if there is a cure for the AIDS virus, and if there
are any ways to prevent contracting ... |
| Biology | Aids/hiv |
AIDS/HIV
The HIV virus poses one of the biggest viral threats to human society today. It
is contracted through bodily fluids such as blood and semen, and sometimes even
saliva and tears. AIDS kills 100% of its victims and puts them through agony
before they die. It has been a threat for about 15 years, and it is not going
to stop now. In fact, AIDS is just getting started: It consu... |
| Biology | Air pollution |
Air Pollution
CFish Mr. Nollen
Biology 2B
8 May, 1996
The Problem
Contamination of the atmosphere by gaseous, liquid, or solid wastes or
by-products that can endanger human health and the health and welfare of plants
and animals, or can attack materials, reduce visibility, or produce undesirable
odors. Among air pollutants emitted by natural sources, only the radioactive
gas... |
| Biology | Alzheimers disease |
Alzheimers Disease
What is Alzheimers Disease? The most common form of dementing illness,
Alzheimers Disease (AD) is a progressive, degenerative disease that attacks the
brain, causing impaired memory, thinking and behavior. The person with AD may
experience confusion, personality and behavior changes, impaired judgment, and
difficulty finding words, finishing thoughts or following d... |
| Biology | Aspirin |
Aspirin
Andrew Donehoo
January 15, 1997
Aspirin is a white crystalline substance made of carbon, hydrogen, and
oxygen. It is used in the treatment of rheumatic fever, headaches, neuralgia,
colds, and arthritis; reduce temperature and pain. The formula for aspirin is
CH3CO2C6H4CO2H. Aspirin's scientific name is actylsalicylic acid (ASA). The
main ingredi... |
| Biology | Attention deficit disorder |
Attention Deficit Disorder
Chris Brown
English 102: section 6
May 3, 1996
Approximately 3-5% of all American children have an Attention Deficit
Disorder (ADD). ADD is a leading cause of school failure and under-achievement.
ADD characteristics often arise in early childhood. As many as 50% of children
with ADD are never diagnosed. Boys significantly outnumber girls, though... |
| Biology | Australopithecus |
Australopithecus
By: Chris Stewart
Date: December 15th
1996 Biology
There are many types of the hominid called australopithecus, which means
southern apes. These were small ape-like creatures(with a height between 107cm
and 152cm) that showed evidence of walking upright. It is difficult to tell
whether these begins are "humans" or "apes". Many of their characteristics are
... |
| Biology | Bacteria classification by gram staining |
Bacteria Classification By Gram Staining
THE AMERICAN UNIVERSITY IN CAIRO
BIOLOGY DEPARTMENT
SCIENCE 453 : BIOLOGY FOR ENGINEERS REPORT No.1
Presented By : Karim A. Zaklama 92-1509 Sci. 453-01
24/2/96
Objective:
To test a sample of laboratory prepared bacteria and categorise it
according to Christian"s gram positive and gram negative classes and also by
viewing it under a hig... |
| Biology | Bioethics |
Bioethics
Progress in the pharmacological, medical and biological sciences
involves experimentation on all living species, including animals and humans.
The effectiveness of medications investigative procedures and treatments must at
some point be tested on animals and human beings. Although tests are conducted
much more frequently on lab animals, especially those most related to hu... |
| Biology | Biology | Biology is the science of living systems. It
is inherently interdisciplinary, requiring knowledge
of the physical sciences and mathematics, although
specialities may be oriented toward a group of
organisms or a level of organization. BOTANY is
concerned with plant life, ZOOLOGY with animal
life, algology with ALGAE, MYCOLOGY with
fungi, MICROBIOLOGY with microorganisms
such as protozoa and... |
| Biology | Biology instinct | Insects are neumerout
invertebrate animals that belong in the Phylum
Arthropoda and Class Insecta.
The class Insecta is divided into 2 subclasses:
Apterygota, or wingless
insects, and Pterygota, or winged insects. Subclass
Pterygota is futher divided
on basis of metamorphosis. Insects that have
undergone incomplete metamorphosis
are the Exopterygota. Insects that undergo
complete m... |
| Biology | Biotechnology | Biotechnology: Its application in agriculture
· Introduction:
Persuade public to become aware of the changes
Persuade audience to think about where they stand on this very important issue and take action according to your decision.
Labeling and careful regulation of genetically manufactured foods
v Persuade the American Public to think about the following changes that are bein... |
| Biology | Cancer |
Cancer
I.
Cancer is a group of diseases characterized by an uncontrolled growth of
abnormal cells. If the spread of these abnormal cells is not controlled, cancer
can cause death. Most cancers take the form of tumors, although not all tumors
are cancers. A tumor is simply a mass of new tissue that serves no
physiological purpose. It can be benign, like a wart, or malignant, like c... |
| Biology | Cancer |
Cancer
INTRODUCTION
In the American society, cancer is the disease most feared by the
majority of people within the U.S. Cancer has been known and described
throughout history.
In the early 1990s nearly 6 million cancer cases and more than 4 million
deaths have been reported worldwide, every year. The most fatal cancer in the
world is lung cancer, which has grown drastically sin... |
| Biology | Charles darwin |
Charles Darwin
Chad Galloway
More than a century after his death, and four generations after the
publication of his chief work, "The Origin of Species", Charles Darwin may still
be considered the most controversial scientist in the world. His name is
synonymous with the debate that continues to swirl around the theory of
evolution, a theory that deeply shook the Western view of ... |
| Biology | Charles darwin: his life story of dicovery |
Charles Darwin: His Life Story of Dicovery
Andy Zerzan
Biology
Mr Herron
1st Hour
Extra Credit
10/95
"The Catholic church has absolutely no view on 'Darwin's Theory of Evolution'
or 'Darwinism' what is commonly believed by the magistarium is that one should
not necessarily take the Bible in a literal sense ..."
-An excerpt from Robert Richard's
... |
| Biology | Chemical and biological weapons |
Chemical and Biological Weapons
Chemical and biological weapons are the most dangerous threats that our
soldiers face today. But just how much do most of us know about them? The
American public had been bombarded by stories of how our government keeps secret
weapons, does secret experiments, and the everlasting conspiracies. And many
accept it all. Rather than simply trusting our... |
| Biology | Chicken pox or varicella vs. tuberculosis or tubercle bacilli |
Chicken Pox Or Varicella Vs. Tuberculosis Or Tubercle Bacilli
HISTORY OF CHICKEN POX
Chicken pox, a highly contagious disease that strikes many people, is caused by
the herpes zoster virus. The virus is transmitted by the respiratory system and
carried in the bloodstream to all parts of the body. The main symptom is a rash
that appears on the face and torso, but also on the extremit... |
| Biology | Choas theory in biology | Chaos In Biological Systems
In today"s world of high-tech methods to study just about anything that exists, we are still imperfect. Scientists continue to look for ways to understand, explain, and even predict the actions and reactions of the universe. In the last two centuries, scientists have been looking in every possible place to understand the universe; from science, to math, even religion... |
| Biology | Cloning |
Cloning
Cloning opens many doors of opportunities in the agricultural aspect of
the United States of America. It has already been a major factor in saving the
lives of many humans. I feel the society as a whole can not and should not
degrade this scientifical finding. I feel that human cloning should not be done
and that this subject raises too many ethical questions. I would lik... |
| Biology | Cloning | HUMAN CLONING IS A MISTAKE?
In an article, ¡§Journal says human cloning research ban would be misguided¡¨, Senior Medical Correspondent Dan Rutz and Reuters point out that if the government passed the bill on banning human cloning research, it would be a mistake. They argued that since experiments on animals have improved human¡¦s lives tremendously, includin... |
| Biology | Cloning |
Cloning
Genetic engineering, altering the inherited characteristics of an organism in a
predetermined way, by introducing into it a piece of the genetic material of
another organism. Genetic engineering offers the hope of cures for many
inherited diseases, once the problem of low efficiencies of effective transfer
of genetic material is overcome.
Another development has been the r... |
| Biology | Cryogenics: is it worth waiting for |
Cryogenics: Is It Worth Waiting For
Imagine being frozen in time to escape a deadly illness, then getting
warmed when a cure is found. There is question on whether cryogenic methods
should be used. To fully understand cryogenics a knowledge of cold, background
information on some branches of cryogenics, some problems with cryopresevation,
and different peoples views towards cryogen... |
| Biology | Damn near everything there is to know about cells: |
Damn Near Everything There Is To Know About Cells:
Biology Cell Report
There are many parts of a cell, they all have specific duties, and are all
needed to continue the life of the cell. Some cells exist as single-celled
organisms that perform all of the organism's metabolism within a single cell.
Such single-celled organisms are called unicellular. Other organisms are
made up of... |
| Biology | Detection of biological molecules |
Detection of Biological Molecules
Introduction: Without carbon, nitrogen, hydrogen, sulfur, oxygen and phosphorus,
life wouldn't exist. These are the most abundant elements in living organisms.
These elements are held together by covalent bonds, ionic bonds, hydrogen bonds,
and disulfide bonds. Covalent bonds are especially strong, thus, are present in
monomers, the building blocks ... |
| Biology | Dinosaurs |
Dinosaurs
Dinosaur is the name of large extinct reptiles of the Mesozoic Era,
during which they were the dominant land animals on Earth. The term was
proposed as a formal zoologic name in 1842 by the British anatomist Sir Richard
Owen, in reference to large fossil bones unearthed in southern England. The
various kinds of dinosaurs are classified in two formal categories, the orders... |
| Biology | Dinosaurs |
DINOSAURS
Dinosaur is the name of large extinct reptiles of the Mesozoic Era, during which they were the dominant land animals on Earth. The term was proposed as a formal zoologic name in 1842 by the British anatomist Sir Richard Owen, in reference to large fossil bones unearthed in southern England. The various kinds of dinosaurs... |
| Biology | Diseases: sex linked and sex influenced |
Diseases: Sex Linked and Sex Influenced
by Richard Nixon
Honors Biology
Mrs. Linda
December 19, 1994
There are thousands of cases of sex linked and sex influenced diseases
worldwide. These diseases can range from a social inconvenience, to a fatal
ailment. In sex linked diseases, like Muscular Dystrophy, hemophilia and color
blindness, only males are affected. When a man ... |
| Biology | Ebola |
Ebola
Ebola hemorrahagic fever is a 20 year old virus that, with a mortality
rate of 50% to 90%, is one of the world's deadliest viruses. Its causative
organism is called Ebola virus. Ebola virus is a member of filoviridae, a
family of negative-strained RNA viruses. The filoviridae family consists of
five known members, Marburg, Ebola Zaire, Ebola Sudan, Ebola Reston, and Ebola
... |
| Biology | Environmental tobacco smoke |
Environmental Tobacco Smoke
Mark Ritter
Matt Porter
Research Paper
November 25, 1996
Tobacco smoking has long been recognized as a major cause of death and
disease, responsible for an estimated 434,000 deaths per year in the United
States. After the Environmental Protection Agency and the Surgeon General
stated that cigarettes cause lung cancer there was a tremendous movement... |
| Biology | Extinction of dinosaurs |
Extinction of Dinosaurs
Ryan Humphries
Biology
6th Period
Two-hundred and thirty million years ago the first dinosaur-like
creature roamed the earth. Within five million years it could be considered a
dinosaur. They were soon at the top of the food chain. They populated every
continent. Then 65 million years ago they vanished. The most powerful
creatures ever to live on e... |
| Biology | Facts on aids |
Facts On AIDS
Cases of AIDS have been reported in 85 countries. It is estimated between 5
and 10 million people around the world now carry the AIDS virus and that as many
as 100 million will become infected over the next 10 years.
How can you become infected?
1. sexual intercourse
a) vaginal
b) anal
c) oral
Having another sexually transmitted disease such... |
| Biology | Ferm life cycle |
Ferm Life Cycle
Introduction:
This essay will discuss the fern life cycle as taught in biology lab.
The essay will cover the basic process which we used to grow a fern. I will
discuss the methods and the results of the lab exercise. Finally, I will
discuss the evidence of the methods and results that were obtained .
Methods and Results:
To begin our experiment we obtained ... |
| Biology | Genetically altered foods |
Genetically Altered Foods
It is quite evident that as technology advances m the scientific sense, we as
Americans are becoming more interested. One of the conflicts that have raised
concern here lately is that on genetically altered foods. By no surprise, one of
the major questions of many is whether or not these foods are safe. As altered
foods continue to be produced, we will begin ... |
| Biology | Hemispheres of the brain |
Hemispheres of the Brain
As I was reading the text I came upon a section that I thought to be
quite fascinating. It talked about people who have a brain that functions like
two different people inside of the brain. This is of course the Split-Brain
Personality. As I studied this topic in more detail I found it to be quite
broad and yet very detailed. I found that I needed a dicti... |
| Biology | Hemophilia |
Hemophilia
Tim Poisal Biology-2nd period
Hemophilia is a genetic blood disease, which is characterized by the
inability of blood to clot, or coagulate even from minor injuries. This disease
is caused by an insufficiency of certain blood proteins, called factors, that
participate in blood clotting and often by sudden gene mutation. Therefore,
with the absence of factors, the ... |
| Biology | Hepatitis |
Hepatitis
In modern society when a person gets sick with the flu or a cold they
will usually go about their normal routine with the exception of a sneeze or a
cough throughout the day. Sometimes things can be more than what they appear to
be. The symptoms start out like the flu with coughing, fever, aches, and
vomiting. However, the disease gradually worsens with symptoms of extrem... |
| Biology | Hiv |
HIV
Like the majority of the American population I have lived in a cloud of
ignorance about the HIV and AIDS crisis. I have never know anyone close to me
that has been infected with either of the two viruses. So when the option to
research something to do with sexuality arouse I felt this would definitely
further my education about a lethal killer that is roaming this earth. Since... |
| Biology | Insects |
Insects
Insects are neumerout invertebrate animals that belong in the Phylum Arthropoda
and Class Insecta. The class Insecta is divided into 2 subclasses: Apterygota,
or wingless insects, and Pterygota, or winged insects. Subclass Pterygota is
futher divided on basis of metamorphosis. Insects that have undergone incomplete
metamorphosis are the Exopterygota. Insects that undergo com... |
| Biology | Interview with dr ian malcolm |
The Lost World
Private Interview with Dr. Ian Malcolm
1. Dr. Malcolm, what is it about dinosaurs that interests you?
Well, for me it's the primitive nature. The way they hunt, seek and kill. We have learned so much from that island about the way in which dinosaurs live together and how their behavior is so much different from what we had theorized. That is the one thing that this ... |
| Biology | Introns and exons |
Introns and Exons
March 31 1997
AP. Biology essay
The finding of the Introns and the exons was one of the most significant
discoveries in genetics in the past fifteen years. split genes were discovered
when lack of relation between DNA sequences were seen during. DNA- mRNA
hybridation. For all new mRNA, they must be transcribed by RNA polymerase
enzymes. The transcription begin... |
| Biology | Iron absorption from the whole diet: comparison of the effect of two different
distributions of daily calcium intake |
Iron Absorption from the Whole Diet: Comparison of the Effect of Two Different
Distributions of Daily Calcium Intake
Todd Bowen
Human Biology
Today December 5, 1996
Hypothesis - If a woman distributes her daily intake of calcium by having less
of it in her lunch and dinner meals and more in her breakfast and evening meals,
then this would reduce the inhibitory effects calcium has ... |
| Biology | Little green men or just little microscopic organisms? |
Little Green Men or Just Little Microscopic Organisms?
The question of life on Mars is a puzzle that has plagued many minds
throughout the world. Life on Mars, though, is a reality. When you think of
Martians, you think of little green men who are planning to invade Earth and
destroy all human life, right? Well, some do and some do not. Though believing
that there are little gree... |
| Biology | Matthias schleiden | Matthias Schleiden
Matthias Schleiden was a German Biologist and a master
micoscopist. He lived from 1804 -1881. Schleiden was influenced by
Schelling"s Naturphilosophie and the writings of Oken. He worked under
Johannes sMuller and tudied primarily cells in plants. Schleiden
observed that all plants seem to be composed of cells. He is also
considered the co-founder of the cell theor... |
| Biology | Memory |
Memory
Memory is defined as the faculty by which sense impressions and
information are retained in the mind and subsequently recalled. A person"s
capacity to remember and the total store of mentally retained impressions and
knowledge also formulate memory. (Webster, 1992)
"We all possess inside our heads a system for declassifying, storing and
retrieving information that exce... |
| Biology | Mitochondria and chloroplast essay | I. Introduction
Out of all the organelles there
are two that have fascinated microbiologists for the past hundred years. The
first is the mitochondria, nicknamed the "powerhouse of the cell." The second
is the chloroplast in plant cells that have functions similar to those of the
mitochondria. What do these organelles do? What are the similarities and differences
of these organe... |
| Biology | Mythology | Greek Mythology
Mythology is a way that the ancient societies explained why things are the way they are and how they came to being. Two ancient societies are infamous for their mythology. These societies are Greece and Rome. Great authors were made be the mythological works they wrote. Homer was a famous author who is best known for his epics. It is from these epics that most of the go... |
| Biology | Ovarian cancer |
Ovarian Cancer
Of all gynecologic malignancies, ovarian cancer continues to have the
highest mortality and is the most difficult to diagnose. In the United States
female population, ovarian cancer ranks fifth in absolute mortality among
cancer related deaths (13,000/yr). In most reported cases, ovarian cancer,
when first diagnosed is in stages III or IV in about 60 to 70% of... |
| Biology | Properties of water |
Properties of Water
Water is essential for life as we know it on earth. It is used by plants
and animals for basic biological processes which would be impossible without the
use of water. The origin of all life can be traced back to the water in the
Earth's precambrien seas. Water is also the universal solvent. It reacts with
more elements and compounds than any other substan... |
| Biology | Reforestation | The purpose of this written
report is to inform the reader about the concerns
and facts involved with reforestation. Reforestation
began in Ontario after World War II. What
happened was, professional foresters were
assigned to an area and became responsible for its
well being. Under the Crown Timber Act, long
term management was prepared. Then the many
steps needed to rebuild a forest bega... |
| Biology | Sickle cell anemia | The sickle cell disease is an inherited blood
disorder that affects red blood cells. People with
sickle cell have red blood cells that have mostly
hemoglobin's, Sometimes these red blood cells
become sickle-shaped or crescent shaped and
have trouble going through small blood vessels.
When sickle-shaped cells block small blood
vessels, less blood can get to that part of the
body. Tissue tha... |
| Biology | Sickle cell disease | The genetic disorder I was told to research was the Sickle Cell Disease. I will explain what
mutation causes this disease, the characteristics of it, and what has developed in the area
of gene therapy because of it.
The Sickle Cell Disease is an inherited disease. The gene for hemogoblin-S (which
causes the disease) is the most common inherited blood condition in America; although
most peo... |
| Biology | Solar cells | Solar cells today are mostly made of silicon, one
of the most common elements on Earth. The
crystalline silicon solar cell was one of the first
types to be developed and it is still the most
common type in use today. They do not pollute
the atmosphere and they leave behind no harmful
waste products. Photovoltaic cells work
effectively even in cloudy weather and unlike solar
heaters, are mo... |
| Biology | Sunrise on the veldt: order |
Sunrise on the Veldt: Order
Order is sought instinctively. In Literature, as well as Biology, order
is sought instinctively by authors and scientists. Authors use order to convey
real-life incidents and make their stories seem more realistic. Scientists use a
way of classification to bring order to Biology. The life cycle, as the cycle of
a virus, shows order.
The young boy in the ... |
| Biology | Th brain | Your brain has two sides ,and each has a distinctly different way of looking
at the world. The more we integrate those two sides, the more developed we
make ourselves. Integration not only increases our ability to creatively
solve problems, but to control physical problems such as epilepsy and
migraines. Even more startling is evidence coming to light that we have
become a "left-brain ... |
| Biology | The brain 's cerebral cortex | The brain is three pounds of tissue that are part of the nervous system. It
is one of the two basic parts and contains a bout 100 billion nerve cells.
The glilia is the cells that take care of the neuron cells ands allow the
nueroin cells to carry out all of the impulses and messages that they must
send. It is divided in to parts that give you the ability to do everything
from swimming to mat... |
| Biology | The cambrian period |
The Cambrian Period
Science 10/26/95
During the Cambrian Period a lot of things happened both geologically
and biologically. The Cambrian Period was the first period of the Paleozoic
Era, it lasted from 570 million years ago to 500 million years ago, 70 million
years. It¹s very important because it corresponds with the firs t appearance of
abundant fossils especially Trilobit... |
| Biology | The earth | Did u know that our planet, Earth wasn"t always thought of as a planet? Until the sixteenth century when Capernicus figured out that the Earth was another planet, which revolved around the sun, Greek astronomers thought the Earth was the center of the solar system. Also Earth is the only planet that its name didn"t come from Greek/Roman mythology.
When earth was first discovered, astronomers... |
| Biology | The ebola virus | Life
is a biological internet in which viruses travel like
messages, moving at high speed from node to
node and from city to city. They are diverse and
wild spread in every plane on the surface of the
earth. Ironically, such invisible creatures have a
substantially enormous effects on human life and
health. In most cases, Viruses are harmful and
sometimes deadly. One of these deadly viruse... |
| Biology | The education of a.i.d.s discrimination |
The Education of A.I.D.S Discrimination
Employees are being discriminated against for their infectious illness
known as A.I.D.S. They are labeled incapable of performing the tasks they
pursued before they were recognized as being infected. The confidentiality of
an employee is a private matter and very personal. There aremany different
kinds of prejudice but not one as deadly... |
| Biology | The effects of antibiotics on bacterial growth |
The Effects of Antibiotics on Bacterial Growth
Biology II 1996
Bacteria are the most common and ancient microorganisms on earth. Most
bacteria are microscopic, measuring 1 micron in length. However, colonies of
bacteria grown in a laboratory petri dish can be seen with the unaided eye.
There are many divisions and classifications of bacteria that assist in
identifying them. ... |
| Biology | The genetics of violence |
The Genetics of Violence
Introduction
We, in the 1990"s, are slowly and inevitably being faced with the
sociological and biological implications of impending genetic power. This power
is analytical, in such cases as the Human Genome Project, which will hopefully
succeed in mapping out the genetic code for the entire human genetic composition.
Moreover, this power is preventative and... |
| Biology | The human brain | The Human Brain
Through the use of molecular biology it is thought that the hominidae family first appeared about 5 million years ago. Based on this time frame it is believed that an African Hominoid lineage was present shortly before that time, approximately 10 myp, which contained the common ancestor to both the chimpanzee and human. The split into proto-chimpanzee and proto-human occurr... |
| Biology | The human heart. | Abstract:
Dorland's Illustrated Medical Dictionary defines the heart
as "the viscus of cardiac muscle that maintains the
circulation of the blood". It is divided into four
cavities; two atria and two ventricles. The left atrium
receives oxygenated blood from the lungs. From there the
blood passes to the left ventricle, which forces it via the
aorta, through the ar... |
| Biology | The immune system | The immune system is a group of cells and organs
that defend the body against invaders causing
disease. The immune system is made up of mostly
white blood cells and their contact with lymph
nodes, spleen, tonsils, intestines, and lungs. The
immune system rejects and attacks any substances
not normally present within the human"s body.
Innate, or nonspecific, immunity, is functioned by
the s... |
| Biology | The liver |
The Liver:
Facts, Functions, and Structure of
Justin Amos
Anatomy/ Physiology
October 24, 1997
Facts and Functions
The liver is the largest organ in the entire, normal human body. It weighs anywhere from 2.5 to 3.3 pounds. With its large size it is also a very resilient organ. Up to 3/4 of its cells can be removed b... |
| Biology | The nervous system | Greek Mythology
Mythology is a way that the ancient societies explained why things are the way they are and how they came to being. Two ancient societies are infamous for their mythology. These societies are Greece and Rome. Great authors were made be the mythological works they wrote. Homer was a famous author who is best known for his epics. It is from these epics that most of the go... |
| Biology | The panda's thumb -- stephen jay gould | The Panda"s Thumb:
More Reflections in Natural History
Stephen Jay Gould
With a touch of humor, geology, evolutionary theory, biology, cartoon characters and even some references to baseball, The Panda"s Thumb definitely makes excellent reading for people with all types of interests. The old cliché, "Don"t judge a book by its cover," or in this case, title, holds true for The Panda"s ... |
| Biology | Tornados | "Dorothy lived with her Aunt Em and Uncle Henry on a small farm in Kansas. Their tiny house stood alone on a large, flat prairie. Dorothy had only one friend, her dog Toto. He was a small black dog who loved to jump and play. One day while Dorothy and Toto were playing, they heard the awful sound of a storm. The wind roared and the dust blew smoky circles in the air. Dorothy was frightened. Uncl... |
| Biology | Transplants and diabetes | Three Toronto scientists have developed an organ
transplant procedure that could, among its many
benefits, reverse diabetes. The procedure was
developed by Bernard Leibel, Julio Martin and
Walter Zingg at the University of Toronto and the
Hospital for Sick Children. The story of their work
began in 1978, when they delved into research
which had never before been tried. They wanted
to deter... |
| Biology | Tree conservation essay | Trees the Most Valuable
Resource on Earth Today
Forests are one of the most
valuable resources on the planet today.
Without forests it would be almost
impossible for any living thing to survive.
But, with this in mind many people
destroy forests. It is as though they
don"t even care that they are dooming
themselves as well as the trees.
Hopefully through this article I ... |
| Biology | Tuber cells | DETERMINATION OF THE WATER POTENTIAL OF POTATO TUBER CELLS.
Method.
Five sucrose solutions with varying molarity and one control containing distilled water were prepared and poured into test tubes. The potato discs were dried, weighed and added to the test tubes. The discs were then weighed again after a period of 24 hours. The percentage change in mass was then calculated.
Appa... |
| Biology | Tumours | A tumour is a mass of new tissue
growth that does not react to normal controls or
the organizing influence of other tissues, and it has
no useful function in the body. This applies to both
types of tumours, malignant and benign. Malignant,
also known as, cancerous tumours, are
additionally defined by their invasion of local tissue
and their ability to spread to other parts of the
body. Ben... |
| Biology | Tycho brahe | Tycho Brahe was born on December 14th, 1546 in a town called
Knudstrup in Scania, Denmark. His early years were filled with pain, as he
was kidnapped by his uncle and raised in his castle in Tostrup, Scania. His
education was backed by his uncle, and he went to the University of Copenhagen
to study law from 1559-1562. It was during this time that Brahe developed a
love for astronomy. He saw ... |
| Biology | Vertebrate adaptions for terrestrial life |
Vertebrate Adaptions For Terrestrial Life
AP-Biology Essay on vertebrate structural adaptations for terrestrial life.
(From an actual past AP-BIOLOGY test)
The problems of survival of animals on land are very different from
those of survival of animals in aquatic environment. Describe four problems
associated with animal survival in terrestrial environments but not in aquatic
e... |
| Biology | Water | c
Water is the most important substance in our evolution and our daily lives. Without water,
life as we know it would not have been possible. This essay will examine the water molecule
in order to ascertain how it brought about Earth's thriving ecosystem and how important it
is to us today.
Each water molecule consists of one oxygen atom and two hydrogen atoms. The oxygen atom (or the apex of... |
| Biology | Wetlands | Soil and land managment
Soil and Land Management The soil triangle is graph that helps the person determine the type of soil they are
testing. This type of graph being a triangle has three sides. The first side, or right side is the percent of silt found in
the soil sample. The second side, or the bottom is the percent of sand found in the soil sample. The third side, o... |
| Biology | Whales | Whale weighs as much as 20 elephants but lives beneath the sea. The blue
whale is Earth's largest animal. Larger than the largest of ancient
dinosaurs, blue whales can grow to be more than 100 feet (30 meters) long
and weigh nearly 150 tons. Not all whales are so large. The much smaller
pilot whale grows to about 28 feet (8.5 meters) in length. And dolphins,
which belong to the whale fam... |
| Biology | What are the major components of biological membranes and how do they contribute
to membrane function?. |
What Are The Major Components of Biological Membranes And How Do They Contribute
To Membrane Function?.
Summary.
The role of the biological membrane has proved to be vital in countless
mechanisms necessary to a cells survival. The phospholipid bilayer performs the
simpler functions such as compartmentation, protection and osmoregulation. The
proteins perform a wider range o... |
| Biology | What is biodiversity? | Biodiversity is the measure of variety of the Earth's animal, plant and microbial species; of genetic differences within species and of the ecosystems that support those species.
The term first came to public attention in 1992 at the Rio Earth Summit at which a convention for the preservation for the maintenance of biodiversity was signed by over 100 world leaders [excluding the USA as they feare... |
| Biology | Why coral reefs need to be protected and conserved for future generations | Coral Reefs need to be preserved for many reasons. In this paper I will discuss a
few of them. First of all, they houses a collection of diverse organisms, and contribute
fisheries which provide food items such as fish, crustaceans, and mollusks. Furthermore,
coral skeletons are being used as bone substitutes in reconstructive bone surgery and may
be able to provide important medicine, incl... |
| Biology | Wind, it"s so much more | I did my report on wind. As you may or may not know wind moves horizontally, and the wind that doesn"t move horizontally moves vertically. That kind of wind is called a current. Many things may cause these rushes of moving air, one thing would be atmospheric pressure differences. The differences in the distribution of pressure and temperature is caused by the unequal distribution of heat. There ar... |
| Biology | Xyy syndrome | XYY
Syndrome is a rare genetic disorder which affects males due to an extra Y chromosome.
Healthy males have 46 chromosomes including one X and one Y chromosome. Men
with XYY syndrome have 47 chromosomes, two of which are Y chromosomes. It
is not known why the extra Y chromosome occurs. The disorder is present at
birth and is estimated to occur in one out of every one thousand live births... |
| Biology | Zoology report on reptiles | A. Adaptations: enabled them to live their entire life without water.
1) lungs - most have 2 but snakes have 1 which fits neatly into its slender body
* How canthey breathe while eating then??
a special tube in the mouth that extends outside the snake's mouth while swallowing so doesn't suffocate
2) scaly skin
a. dry and leathery
b. advantage: helps pre... |
