Biology Essays Examples For College & High School Students in PDF

10822 total results

An Overview of the Compounds That Compose the Human Body (1150 words, 2 pages)

Compounds That Compose the Human BodyThere are five major groups of compounds that compose the human body. They are carbohydrates, lipids, proteins, nucleotides, and water. These are all very important to humans and without them we would not be able to survive. They have many functions that encourage a human ... Read More

An Analysis of the Biological Warfare at Disposal of the United States (1790 words, 4 pages)

There is no longer a question of whether or not a bioterrorist will attack, but rather the question remains, when will they attack? It is highly likely that a terrorist group could threaten or attack Americans with germs within the next few years, according to President Clinton. (Solomon) Biological warfare ... Read More

An Introduction to the Analysis of the Aging Process (645 words, 1 pages)

The aging process is difficult to analyze because of the way that the body s organ systems work together. The breakdown of one structure will ultimately affect the function of others. The medical field of gerontology deals with examining the biological changes of aging, both passive and active, that occur ... Read More

A Personal View of the United States’ Biological Weaponry and the Potential Use of it (915 words, 2 pages)

Most people today believe that the world is a better place than it was 20 to 30 years ago. But I, on the other hand, believe that the world is becoming a very dangerous place. Even though the world's superpowers condemn nuclear and biological warfare, I believe that the next ... Read More

A History of the Development and Control of Chemical and Biological Warfare (1593 words, 3 pages)

The Development and Control of Chemical and Biological WarfareThe year, 600 BC. Solon, the legislator of the Athenians, contaminated the River Pleisthenes with hellebores (skunk cabbage) to give the defenders of Kirrha violent diarrhea leading to their defeat. This is the first recorded use of plants as a source of ... Read More

An Analysis of the Bioethical Issues in Medicine (1245 words, 3 pages)

BIOETHICSProgress 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 ... Read More

An Analysis of the Hypothetical Cosmological Models: The Big Bang and the Steady State Theories (1283 words, 2 pages)

It is always a mystery about how the universe began, whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models Big Bang and Steady State. However, through many observational evidences, the Big Bang theory can ... Read More

An Overview of the Genetic Replica of the Sheep Named Dolly (345 words, 1 pages)

DollyThe announcement in February 1997 of the birth of a sheep named Dolly, an exact genetic replica of its mother, sparked a worldwide debate over the moral and medical implications of cloning. Several U.S. states and European countries have banned the cloning of human beings, yet South Korean scientists claimed ... Read More

A Review of the Literature and the Impossible Scientific Test About the Brain’s Memory capacity (1229 words, 2 pages)

REVIEW OF LITERATUREA person wakes up in the morning, brushes his teeth, takes a shower, puts on his clothes, and starts his day. What would happen if there weren t such thing as memory? People might not be able to get ready every morning to start their day. Why? Because ... Read More

An Analysis of the Stuff Life is Made of and the Embryo of the Lamb Clones (814 words, 2 pages)

DNA The Stuff Life is Made OfIn 1995, at the Roslin Institute, near Edinburgh, Scotland, the birth of two lambs heralded what many scientists believe to be a period of revolutionary opportunities in biology and medicine. Megan and Morag, both carried fully to term by a surrogate mother, were not ... Read More

An Introduction to the Analysis of DNA Replication (2177 words, 4 pages)

DNA REPLICATIONWHAT IS DNA? DNA is a molecule that has a repeating chain of identical five-carbon sugars (polymers) linked together from head to tail. It is composed of four ring shaped organic bases (nucleotides) which are Adenine (A), Guanine (G), Cytosine (C) and Thymine (T). It has a double helix ... Read More

An Introduction to the DNA Chips and the Pharmaceutical Industry (1700 words, 3 pages)

DNA CHIPS AND THE PHARMACEUTICAL INDUSTRYINTRODUCTIONWhen future historians look back on the greatest scientific advancements of the 20th century, they will without a doubt focus on only three events the Apollo Moon landing, the invention of the microprocessor, and possibly the greatest scientific endeavor yet, genomics, the science of identifying ... Read More

An Overview of the Dna and Forensics in the Criminal Cases of the United States (670 words, 2 pages)

DNA and ForensicsIn my essay I will discuss the topic DNA and Forensics. This is an interesting topic because there have been great advances in the field of forensic science that have affected it's credibility and usage in solving crimes that would otherwise go unsolved. DNA can be found in ... Read More

An Introduction to the Molecule Responsible for the Transformation of Characteristics; DNA (601 words, 2 pages)

The molecule responsible for the transformation of characteristics form one generation to the next is called DNA. The genetic material, located in the chromosomes is a combination of acid and histones. DNA is made up of units called nucleotides. Nucleotides are made up of 3 components, a five carbon sugar ... Read More

An Analysis of the Dna Molecules and the Possibility to Make Clones (3308 words, 7 pages)

DNA - Deoxyribonucleic Acid - the material that codes for amino acids which form proteins, which in turn carry out functions of the cell. DNA is responsible for building life. Our physical characteristics, susceptibility to some diseases and disorders (e.g. breast cancer, sickle cell anemia), and a few behavior characteristics ... Read More

An Analysis of the Contradictions of the Evolutionary and Creationist Theories (1003 words, 2 pages)

When dinosaur bones were first found they thought that they belonged to giant lizards. The word "dinosaur" came from the Greek words deinos, meaning marvelous or terrible, and sauros, meaning lizard. The larger dinosaurs must have seemed to be terrible to the smaller animals. Some of the first dinosaurs were ... Read More

An Introduction to the Analysis of the Human Digestive System (1454 words, 3 pages)

Digestive SystemThe human body uses various kinds of food for energy and growth. To be used, however, food must be changed into a form that can be carried through the bloodstream. The body's process of extracting useful nutrients from food is called digestion. The digestive system of humans and other ... Read More

An Overview of the Digestive Disorders and the Amoebic Dysentry (397 words, 2 pages)

Digestive DisordersAmebic Dysentry is a disorder in which there is anaccumulation of pus located in the liver. This is usually caused byan internal parasite or organism. When dealing with this liverdisease there are a few symptoms to look out for. Jaundice, whichis something that will make your skin and eyes ... Read More

An Introduction to a Responsible and Safe Weight-Loss Program (786 words, 3 pages)

A Responsible and Safe Weight-Loss Program A responsible and safe weight-loss program should be able to document for you the five following features 1. The diet should be safe. It should include all of the Recommended Daily Allowances (RDAs) for vitamins, minerals, and protein. The weight-loss diet should be low ... Read More

A Question on the Scientific Theories and the Issue for Them Being True (1839 words, 3 pages)

The question as to whether scientific theories can be shown to be true or false is a complex one. The answer depends on one's interpretation of the meaning of theory. To what does it refer? Is its role to reveal the nature of reality, or is it merely a human ... Read More

An Introduction to the Analysis of Diamonds (1317 words, 3 pages)

DIMONDSDiamond is the best known gem. It is known as the king of gems for its brilliance and for being the hardest mineral on earth. (Foa, p.50) Its characteristics enable it to be used for many different purposes. Since diamonds are the hardest gems on Mohs scale, they make useful ... Read More

A Basic Description of the Subject of Microbiology (2029 words, 5 pages)

BASIC DISCRIPTION OF MICROBIOLOGYThey re out there! You can t see them but they can see you. Right at this very moment they are living on and in your body, and there is nothing you can do about it!This may sound like the beginning of a horror movie, but it ... Read More

The History and Classification of Barbiturates, the Euphoria-Inducing Drugs (753 words, 2 pages)

Barbiturate. Now where would you think of a name like that? Legend has it that this drug was derived when a 29 year old research assistant, Adolph von Baeyer, was working in his Belgian laboratory in 1863 when he took the condensation of malonic acid and combined it with Urea. ... Read More

An Analysis of the Dangers of Anabolic Steroid Abuse (448 words, 3 pages)

Dangers of Anabolic Steroids In the past three decades, steroids has been becoming a serious problem more than ever in the athletic field. Steroids areanabolic drug "to build" growth hormones that include the androgens (male sex hormones) principally testosterone and estrogen and progestogens (female sex hormones). Steroids were first developed ... Read More

An Analysis of the Atomic Theory of Matter by John Dalton (365 words, 1 pages)

John Dalton developed the first useful atomic theory of matter around 1803. In the course of his studies on meteorology, Dalton concluded that evaporated water exists in air as an independent gas. Solid bodies can't occupy the same space at the same time, but water and air could. If the ... Read More

The Issue of Bacterial Resistance in the Medical Community (638 words, 1 pages)

Bacterial ResistanceBacterial resistance is a problem that has profoundly impacted the medical community. Bacterial resistance results when bacteria become resistant to individual antibiotics through the development of specific defense mechanisms which render the antibiotic ineffective. This problem has become evident in recent years as numerous cases have been reported in ... Read More

An Analysis of the Oxidation of Cyclohexanol to Cyclohexanone Experiment of Infrared Spectroscopy (920 words, 6 pages)

OXIDATION OF CYCLOHEXANOLTO CYCLOHEXANONEThe oxidation of cyclohexanol to cyclohexanone involves the removal of hydrogen from the OH group. After separation and purification, an Infrared Spectrum will be run to determine the composition of the recovered material.Infrared Spectroscopy is a very powerful technique used in the determination of molecular structure and ... Read More

An Analysis of the Influence of the Study of Cryogenics on the Future (1453 words, 3 pages)

Cryogenics and the FutureCryogenics is a study that is of great importance to the human race and has been a major project for engineers for the last 100 years. Cryogenics, which is derived from the Greek word kryos meaning "Icy Cold," is the study of matter at low temperatures. However ... Read More

An Introduction to the Cryogenics an Entire Field of Physical Science (3020 words, 5 pages)

Cryogenics is an entire field of physical science. It is the study of matter at temperatures much colder than those that occur naturally on Earth. Cryogenic temperatures are considerably lower than those encountered in ordinary physical processes. There is another field of interest associated with very cold temperature-cryonics. Cryonics is ... Read More

An Introduction to the Bacterial Conjugation Experiment (1203 words, 5 pages)

BACTERIAL CONJUGATION EXPERIMENTINTRODUCTION Bacteria, in general, reproduce asexually, but in order to increase diversity, they have developed a mechanism for transfer of genetic material from one bacterium to another. The ability to perform this transfer is conferred by a set of genes which are called F for 'fertility.' These genes ... Read More

Biology Essay Examples