Biology essay papers

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Biology essays / Leprosy
Leprosy Report Leprosy has been around for thousands of years, since the biblical times. It was first identified by Gerhard A. Hansen in 1873. It was the first bacterium to be identified as disease causing in humans. It should be known that the word 'leper' has connotations of immorality and uncleanness and is considered very offensive. Leprosy is a chronic bacterial disease of the upper...
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Biology essays / Leukemia
Leukemia is a disease characterized by the formation of abnormal numbers of white blood cells, for which no certain cure has been found. Leukemia is also conditions characterized by the transformation of normal blood-forming cells into abnormal white blood cells whose unrestrained growth overwhelms and replaces normal bone marrow and blood cells. Leukemias are named according to the normal...
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Biology essays / Leukemia
Leukemia Leukemia is a disease characterized by the formation of abnormal numbers of white blood cells, for which no certain cure has been found. Leukemia is also conditions characterized by the transformation of normal blood-forming cells into abnormal white blood cells whose unrestrained growth overwhelms and replaces normal bone marrow and blood cells. ...
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Biology essays / LSD
Lysergic Acid Diethylamide-25 Lysergic acid diethylamide-25, or LSD, commonly street named as "acid" or "sugar" is a member of the hallucinogenic drug class. Other members of the hallucinogenic drug class are psilocybin, and mescaline. A mild hallucinogen is marijuana. Hallucinogens alter the way time is perceived, making time itself to seem at a standstill. Most Hallucinogens produce Halluci...
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Biology essays / Lupus
Lupus Lupus is an autoimmune disorder which means that the body's immune system is not functioning normal and it's attacking the normal tissue, instead of the bactieria and viruses or in other words the body's immune system is hurting itself. The body is just reacting to unknown stimilus and it makes too many antibodies, or proteins directed against body tissue. It's the complete opposit...
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Biology essays / Lymphatic System
The Lymphatic System The lymphatic system is a collection of ducts organs and tissues, which collect excess fluid or lymph from your body and transport it back to the heart. The lymphatic system also helps to defend the body against infection. Lymph vessels of the neck These lymph vessels drain tissue fluid, or lymph, from the head and neck. The fluid is filtered through lymph nodes in...
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Lymphomas are cancers of the lymph nodes and lymphatic tissues which make up the lymphatic system. The lymphatic system produces lymphocytes, cells that help the body fight diseases. One type of lymphoma is Hodgkin's disease, which along with at least 10 other types of lymphoma cause around 50,000 lymphoma cases globally every year. This accounts for about 5% of the world's cancer cases. The...
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Biology essays / Marfan's Syndrome
Click Here For Research Papers Online! papers = Marfan's Syndrome It has been about six months since my brother has been diagnosed with Marfan syndrome. He has always been tall for his age, but we never took it for anything more then that. After he broke his arm in a little fall, we brought him to a doctor. After the d The specialist performed alot of different tests on my brother. He first d...
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Biology essays / Marfan's Syndrome
Marfan's Syndrome is most often a hereditary disease. The gene which causes Marfan's Syndrome is a dominant gene, yet, Marfan's Syndrome is a very rare disease. It is estimated that 5 out of every 100,000 people have Marfan's Syndrome. If one parent has Marfan's Syndrome, there is a 50% his/her children will have it as well. In some cases, Marfan's Syndrome is not always hereditary. Nearly 15...
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Biology essays / Marijuana Outline
Click Here For Research Papers Online! name = Neal Peterson email = wingedft@minot.com publish = yes subject = Composition title = Marijuana papers = Marijuana Outline What are all the different ups and downs of marijuana, what can it be used for, and what is it's role in today's society? Introduction I. Marijuana A. Getting high 1. Effects 2. How B. Hemp 1. What is it for ...
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Biology essays / Microscopy
Perhaps no single instrument has advanced man's understanding of the surrounding world more than the microscope. Scientific discoveries made through microscopic techniques are too numerous to list. The microscope revolutionized the study of biology, medicine, and many other fields of scientific research. Basic Principles Light microscopes use convex (converging) lenses. The way a lens mag...
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Click Here For Research Papers Online! name = Fnord Discordia email = brain.police@whiteface.net publish = yes subject= Biology title = Mitochondria and Chloroplast Essay papers = 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, nicknam...
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During the debate on March 15, 2000 which discussed new reproductive technologies (NRTS) issues were raised regarding the positive and negative effects of NRTS. Issues raised by the advocates of NRTS were surrounding infertility, homosexuality, disease, and cloning. All of these factors raised were concerning the moral rights of individuals who were unable to have children of their own without t...
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Biology essays / Ozone In Medicine
Klyment Tan March 2, 1998 Ozone in Medicine: Modern Magic Bullet or Fatal Deception? Ozone may be one of the most misunderstood medical achievements of this century. In this essay, facts will be filtered from politics to find the answer to this question: Ozone-the modern magic bullet or fatal deception? First of all, what is ozone? As defined in the Encarta Encyclopedia: Ozone (Greek oze...
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Photosynthesis is the process by which plant cells, algae, and some bacteria, capture light energy and change it to chemical energy. Almost all of the world's energy is provided through photosynthesis. The equation for photosynthesis is CO 2 + 2H 2 A + light energy---> (CH 2 ) + H2 0 + H2 A . Photosynthesis is in two stages : a series of reactions that need light and certain ...
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Biology essays / Polar
Throughout all of the polar regions of the entire northern hemisphere roams the largest carnivorous quadruped alive in the world today, Ursus maritimus. More commonly known as the polar, this huge mammal is ruler of its domain by being well adapted to its environment. The physical characteristics of polar bears make them a perfect fit in the arctic. They have a heavy stout body with strong mus...
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Biology essays / Potatoe Piece Lab
Data: First Round Check Mass of Piece 1 After 10 minutes Mass of Piece 1 After 20 Minutes Mass of Piece 1 After 30 Minutes Mass of Piece 1 After 40 Minutes +60? Water 2.1 2.5 2.5 2.0 10? Water 2.1 2.4 2.2 2.1 Sugar Solute 2.1 2.2 2.3 2.2 Salt Solute 2.1 2.0 2.4 2.1 Room Temp. Water (C.) 2.1 1.9 2.2 2.3 First Round Check Mass of Piece 2 After 10 minutes Mass of Piece 2 After 20 Minutes...
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Click Here For Research Papers Online! Biochemistry Prolonged Preservation of the Heart Prior to Transplantation Picture this. A man is involved in a severe car crash in Florida which has left him brain-dead with no hope for any kind of recovery. The majority of his vital organs are still functional and the man has designated that his organs be donated to a needy person upon his...
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Biology essays / Purple Loosestrife
Click Here For Research Papers Online! subject = Biology title = Purple Loosestrife papers = Lvl1 Biology 9/12/96 Purple Loosestrife Lythrum Salicaria L. or Purple Loosestrife is a plant causing much trouble today. It thrives in wetlands and marshes and is impervious to most harsh weather climates. It is indigenous to most parts of Europe Once established, Purple Loosestrife predom...
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Biology essays / Rays
Rays are primarily slow-moving, bottom-dwelling fishes of the oceans, the rays are close relatives of the sharks. Both, including skates, belong to the same class of fish, Chondrichthyes-vertebrates whose skeleton is composed of cartilage, not true bone. The terms skate and ray are often used interchangeably. Both fishes belong to the taxonomic order Batoidei, but the skates are classified in the ...
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Biology essays / Red Blood Cell Report
A red blood cell can start in the big left toe of a person and travel all around the body, ending up in the same place it started. During the entire transportation process, the Red Blood Cells transport oxygen from the lungs to the body tissues and carbon dioxode from the body tissues to the lungs. Red blood cells can be found in every part of the body because they are so widely spread out. Sta...
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Biology essays / Respiration Lab
Biology Lab Respiration Objectives: 1. How a respirometer works in terms of the gas laws. 2. The general processes of metabolism in living organisms. 3. To calculate the rate of cell respiration from experimental data. 4. To relate gas production to respiration rate. 5. To test the effect of temperature on the rate of cell respiration in germinating seeds in a controlled experiment....
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Biology essays / Ribosomes
Ribosomes play a very important role in our everyday life. If it wasn't for them your body wouldn't be able to function correctly. They make tears in your eyes, to keep your eyes moist. They grow hair for you, it also keeps an ample supply of saliva in your mouth, even though you are constantly swallowing. One of the most important thing it does is, it transfers protein in food, into your musc...
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By Cory Cooper 10th grade 1997-98 of RIO AMERICANO HIGH SCHOOL-leave my name please! Carolus Linnaeus was a Swedish naturalist and physician. He created the classification system for classifying plants and animals that is now universally used. He created the binomial system which each living thing is assigned a name that is made of two Latin words. The first word is genus and the sec...
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Biology essays / Science Vs. Ethics
Science vs. Ethics An elderly man is diagnosed with an aneurysm, the thinning in the wall of the aorta. In order to repair his failing artery, he receives a patch of healthy tissue-cloned from his own cells and cultured in a laboratory. A child is born free of the gene that allows sickle-cell anemia, despite both her parents being carriers. How was this possible? In the embryonic cell from which ...
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Sea Lamprey: A Great Lakes Invader Sea lampreys are aquatic vertebrates native to the Atlantic Ocean. Sea lampreys resemble eels, but unlike eels, they feed on large fish. They can live in both salt and fresh water. Sea lampreys, now found in all the Great Lakes, attach to fish with a sucking disk and sharp teeth. Sea lampreys feed on body fluids, often scarring and killing host fish. To...
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Biology essays / Spinal Cord Regeneration
Spinal Cord Regeneration Spinal cord injury can occur in many ways ranging from gunshot wounds, stab wounds and also bone displacement. These circumstances can lead to the death of neurons, and the demyelination of axons which causes some loss and damage to neurons. As Hudgins (1998) reports after a primary injury such as above, secondary injury occurs 30 minutes after and also that second...
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Biology essays / Starfish
The asteroid, more commonly known as the starfish, or sea star, is an invertebrate that lives mainly in an ocianic environment. These unique and unusual creatures have a number of arms that protrude away from their spiny skinned bodies. The exact number of arms depends on the species; some have only three, and the most is 42. Most people commonly associate the starfish with haveing five arems. ...
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Biology essays / Surface Currents
In the world's oceans, the surface currents move the oceans' surface water. This occurs in the Atlantic, Pacific and Indian Oceans. From a diagram of these surface currents, a number of conclusions can be made about the general patterns of the surface currents. One of these conclusions includes that they go clockwise in the Northern Hemisphere and counter-clockwise in the Southern Hemisphere. The ...
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Today, all multicellular organism are composed of eukaryotic cells which are larger and more complex than prokaryotes. These eukaryotic cells consist of organelles, such as mitochondria and peroxisomes, which were once believed to have been prokaryotes. We will find that these two organelles, which have triumphed through evolution, serve important functions within cells. We will begin wi...
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Biology essays / THE BLACK PLAGUE
The Plague is a word that horrified much of the population over the centuries around the globe. It is no less fearful a word today. This term describes several diseases; the three most common forms are known as the Bubonic Plague, Septicemia, and Pneumonic. Plague pneumonia, or pneumonic plague, is caused by the same bacteria as bubonic plague but is acquired by inhaling infected droplets from the...
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Biology essays / The Boa Constrictor
1 The species of boa is an attractive and fascinating reptile. Due to their great adaptation abilities they make odd, but awesome pets. They eat rats, chicks, and other small mammals in captivity. Also successful breeding is possible if the creature is properly cared for. A unique and interesting animal, the Boidae, thrives in tropical and dry climates adapting well, eating a...
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Biology essays / The Ceolacanthe
The Coelacanth is a large fish that is closely related to today's lungfish. These two fishes are the lobe-finned fishes left on the earth. They're called lobe-finned fishes because of a muscular lobe they have at the base of each fin. The Coelacanth is believed to have been around since about 350 million years ago. The amazing thing about the Coelacanth is that modern ones are almost identical in ...
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Biology essays / The Cystic Fibrosis Gene
Click Here For Research Papers Online! Biology - Genetics The Cystic Fibrosis Gene Introduction: Cystic fibrosis is an inherited autosomal recessive disease that exerts its main effects on the digestive system and the lungs. This disease is the most common genetic disorder amongst Caucasians. Cystic fibrosis affects about one in 2,500 people, with one in twenty five being a het...
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Biology essays / The Double Helix
This is my report about the discovery of the structure of deoxyribose nucleic acid (DNA) as told by James Watson. Watson and another scientist named Francis Crick discovered the structure of this hereditary molecule. These two scientists discovered that DNA was much more important than originally thought by most of the scientists. Watson and Crick used the findings of other scientists wi...
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Biology essays / The Ebola Virus
The Ebola Virus The Ebola virus is one of the most deadly viruses that man kind has ever seen. In clinical cases it has a mortality rate of 50%-90%. The Viruses has many different strains including Marburg, Ebola Zaire, Reston and Sudan, each named after the location of their first clinical case. They each cause different symptoms and different mortality rates. Non the less, the collection o...
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The effects of pH on mung beans Gloria Cheng Winsy Cheung Lily Wong Christine Yen January 15, 1998 Abstract This experiment explores how different pH environments affect the growth of mung beans. The mung beans were grown in water with various pH levels, consisted of pH levels 5, 6, 7, 8, and 9. A replicated design was used consisting of 3 runs for each pH level. The following resu...
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The effect of stretching on the muscles of athletes A bit about our muscles… Our muscles are made up of very small filaments that are called Myrofribrils. Some of these are thicker than others. A bridging, locking. mechanism, which prevents these filaments from disengaging when they get to a certain length, permits motion of each muscle within a certain range. When we stretch regular...
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"Research on Toxic Waste" Written by: World Lit. Mrs.Maronde March 26, 2001 Outline I. Introduction a. Story of Macomb County Farm b. Explanation of farm situation c. "Mismanagement of toxic waste is a problem that is plaguing the communities of both America and the world in the beginning of the twenty-first century."...
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The End Permian Mass Extinction Outline I. Introduction Think of a world which existed 290 million years ago. As you look out over the terran in front of you, you think that you are on an alien planet. You see volcanoes spewing ash and lava. Beside them is the ocean which is swarming with many different species of echinoderms, bryozoans and brachiopods. As you look down onto the sea floor y...
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The Dodo bird is one of the most famous recently extinct animals. Its story is also another sad tale of human interference. The Dodo bird was a mystery to many of the people who lived in the same time period as it. Its existence was sometimes even considered a myth. Nevertheless, historians and scientists have been able to piece together sketchy accounts of the history, anatomy, and life of the Do...
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Biology essays / The Gian Clam
Click Here For Research Papers Online! subject = Biology title = The Giant Clam papers = Please put your paper here. The Giant Clam The giant clam is known as a reef dwelling mollusk. The domestication factor has become of large importance to the Indo-Pacific peoples. Mainly in the area of their diet. These huge clams are huge targets for fishermen and can be found easily...
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Biology essays / The Human Genome Project
1 Introduction: The Human Genome Project is possibly the most important project in the world currently. Several companies and governments are involved with this project. The project has many goals but the main general goal is: "to construct a detailed genetic and physical map of the human Genome, to determine the complete nucleotide sequence of human DNA, to localize the estimated 50,000-100,000...
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Biology essays / The Human Heart
Click Here For Research Papers Online! Biology - Histology 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...
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Biology essays / The Leaf Cutting Ant
Leaf-cutting Ants Grant Erickson One of the most little known species of ants in North America is the leaf-cutter ant. This is mainly because it lives in tropical environments and it is not aggressive to animals or humans if not disturbed. The leaf cutting ant is a social insect. Alone the ant is virtually helpless but with the colony it can be a thing feared by animal and human alike. The...
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The Modern Synthesis is the theory used to explain and predict all of the traits, variation and changes in living things. It combines the older theories of evolution and Mendelian genetics with more recent discoveries in molecular genetics and cellular biology. Pheno- and genotypical changes can be explained and observed on the molecular, cellular, individual and populace scale through the moder...
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A Month in The Life of A Gamete My name is RAMBO. I and my millions of brothers and sister gametes have been confined in our prison like holding cells called testes. Each day many more gametes are produced and held captive inside the testes which hang in a storage sac called the scrotum. WHAT'S HAPPENING IN HERE? Everything is moving. Back and forth this way, that way. Has everyone'...
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A hundred and fifty years ago in September, 1845, the Dublin local paper "Dublin Evening Post", reported a "disease in the potato crop". This turned out to be the potato blight which destroyed 40% of the crop that year and almost 100% the next year. The devatation was known as "The Great Hunger" and resulted in wide spread starvation and mass emigration to Britain and the Americas. As a result,...
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Biology essays / The Prairie Dog
The Prairie Dog Cynomys ludovicianus, known more commonly as the prairie dog, has more traditionally been viewed as the pariah of the prairie. However within the last year, attention has been drawn to these furry little rodents. They are extremely unpopular-so much so that for decades the Federal Government has tried desperately to eliminate them. What the government doesn't know is that th...
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The Shoulder The shoulder is a versatile and very necessary joint for normal human activity, but if injured proper recovery must be applied to restore movement and strength. The shoulder is a very interesting and useful joint. The structure of th...
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