Biology Essays Examples For College & High School Students in PDF

10822 total results

An Essay on Genetically Engineered Food in South Australia (815 words, 2 pages)

Should genetically engineered food be grown and sold in South Australia?Recently more and more foods that we buy from the supermarket are involved in the manipulation of deoxyribonucleic acid (DNA) also known as genetic engineering or gene technology. but should genetic engineered food be sold to us the consumers even ... Read More

An Analysis of the Entire Three Billion-Letter Human Genome With High Precision (981 words, 2 pages)

Scientists are trying to figure out the entire three billion-letter human genome with high precision as a prelude to figuring out eventually what protein each gene produces and for what purpose. It all started in 1866 when Austrian botanist and monk Gregor Mendel proposed basic laws of heredity based on ... Read More

An Essay on the Controversial Issue of Human Cloning (745 words, 1 pages)

The societal issue being addressed in this article is the cloning of humans and nuclear cell fusion. This question lingering into every householdShould we be playing God? This question has substantial points on each side. Some people think that we shouldnt be manipulating natures creations ,and we should leave things ... Read More

The Study of Gene Therapy (3648 words, 6 pages)

In research facilities all around the world scientist are attempting to stop diseases at their very roots. Instead of trying to find drugs to cure illnesses they are trying to change the genes that cause the diseases. The process by which this is done is called gene therapy. Gene therapy ... Read More

A Look at Galileo and the Study of the Heavens (395 words, 1 pages)

Galileo was not the person who invented the telescope, but he was the first one to use the telescope to study the heavens. He made many observations using the telescope that shocked the religious world. In this short essay, I will only focus on three observations and how an Aristotlean ... Read More

A Study of Tetrapods (1190 words, 2 pages)

The early tetrapods were the first vertebrates to actually walk the solid earth. They began their conquest of land in the Paleozoic era around 360 million years ago. The question many paleontologists have been asking for a long period of time is whether the anatomy for locomotion on land was ... Read More

A Study of Fungi (2088 words, 3 pages)

The Latin word for mushroom is (plural, fungi). The word has come to stand for a whole group of simple plants that contain no chlorophyll and lack such complex plant structures as roots, stems, leaves, and flowers. Included among the fungi, along with mushrooms, are molds, mildews, rusts, smuts, truffles, ... Read More

A Description of the First Life on Earth as Indeed Originated From Abiotic Surroundings (802 words, 2 pages)

Today, we've realised that the very first life on Earth was indeed originated from abiotic surroundings. In fact, organic molecules have been successfully generated from abiotic elements by scientists To understand how this creation of life from abiotic material occured, we have to consider a critical idea. Life originated from ... Read More

An Essay on Forensics (1603 words, 5 pages)

, also known as Forensics, is the application ofscience to law. It uses highly developed technology to uncover scientificevidence in a variety of fields. Modern has a broad range of applications. It is used in civil cases such as forgeries, fraud or negligence.The most common use of is to investigate ... Read More

A Research on Fission (1279 words, 4 pages)

I think that right now, fission is the only way that we can get moreenergy out of a nuclear reaction than we put in. First, the energy per fissionis very large. In practical units, the fission of 1 kg (2.2 lb) of uranium-235releases 18.7 million kilowatt-hours as heat. Second, the ... Read More

A Study of Fire (3693 words, 7 pages)

Fire is a topic on which most people can comment. Fire is a widespread phenomenon. Most of us have seen fires in natural vegetation, or their effects stark, blackened vegetation or a smoke pall. Because fires such as these can have damaging economic and social effects, can spoil forestry timber, ... Read More

A Review of the Determination of the Differences in Dissolved Oxygen Levels (3544 words, 13 pages)

PurposeThe purpose of my project is to determine if there is any significantdifference in dissolved oxygen (DO) levels as measured by the traditional HACHmethod or the newly developed CHEMets test kit under typical field conditions.HypothesisMy hypothesis is that there is no significant difference in dissolvedoxygen (DO) levels as measured by ... Read More

An Analysis of the Existence of UFO’s (400 words, 1 pages)

In an ever-expanding galaxy, humans cannot be the only intelligent life forms. Somewhere, in some universe exists a form of life equal, or superior to, intellectual capability and performance of humans. Many people have seen unexplained occurrences that could only be classified as alien life forms. Thousands of humans claim ... Read More

A Study of Supernova (392 words, 2 pages)

Could an exploding star have been responsible for the death of the dinosaurs? Thisidea has become popular again as an explanation for the disappearance of thedinosaurs. An exploding star can blast material enormous distances into space. Ifthis material reached Earths atmosphere, changes may have occurred that wereharmful to life. We ... Read More

A Description of the Theory of Evolution by Lamarck (600 words, 2 pages)

The theory of are the same and different ina lot of ways.Lamarck was the first person to come up with atheory for evolution. There are a lot of different creation stories in theThe theory of evolution means that all plants and animalsdeveloped from earlier forms by hereditary communications of slightchanges ... Read More

A Study of the Theory of Evolution (3283 words, 4 pages)

We act like animals, we eat like animals, and we are animals. The many theories of evolution such as Darwins theory of evolution prove to us that we choose to believe that we are not animals when we really are. Evolution is the sequencial process of change over periods of ... Read More

A Description of Proteins, Composed of Polypeptide Chains and Non-Protein Groups (368 words, 1 pages)

are proteins, composed of polypeptide chains and non-protein groups. Their function is to help with the reactions of many cells and molecules by serving as catalysts. A catalyst is a substance that allows the activation energy required for a reaction by forming a temporary association with the molecules that are ... Read More

A Study of Magnesium (1207 words, 2 pages)

Element Report Magnesium It all started in 1755 in England when Joseph Black made a phenomenal discovery. His discovery inspirers Sir Humphrey Davy in 1808 to first isolate an element labeled magnesium as an impure metal. Humphrey an English chemist pioneered the study of Electrochemistry and has successfully isolated the ... Read More

An Analysis of Some Greek Experiments, Objects Attracted Each Other After Rubbing (588 words, 1 pages)

In some Greek experiments, objects attracted each other after rubbing. Other experiments produced objects that pushed away, or repelled, each other. The evidence showed that electric force made matter either attract or repel other matter.Electric force is caused by . is a property of the bits of matter within atoms. ... Read More

Scientific Advancements That Shaped the History of Man (1693 words, 3 pages)

When 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 genes and how they work ... Read More

The Chemical Process of Oxidation of Cyclohexanol (911 words, 4 pages)

The oxidation of cyclohexanol to 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 the identification of ... Read More

A Study of Copper (875 words, 2 pages)

Copper is an extremely important metal that has many uses. Coppers primary use is for making wire, as it is the best low cost conductor of electricity. About 60 of copper used is as wiring. Copper wire carries most of the electricity inside houses, factories, and office. Other uses of ... Read More

A Study of a Plate Tectonic Theory (718 words, 1 pages)

is the theory that the positions of the earth's continents have changed a lot through geologic time. The German meteorologist Alfred Wegener proposed the first comprehensive theory of in 1912, on the basis of the way the continents fit together on the opposing Atlantic coasts and paleontology correlation on both ... Read More

An Analysis of the Earth’s Atmosphere is in Continuous Motion (1883 words, 6 pages)

Introduction The Earth's atmosphere is in continuous motion movement which isattempting to balance the constant differences in pressure and temperaturebetween different parts of the globe. It is this motion which carries water fromthe ocean to the continents to provide precipitation and moves heat energy fromthe tropical regions toward the poles, ... Read More

The Origin and Industrial Uses of Chlorine (503 words, 2 pages)

is (at room temperature) a greenish-yellow gas that can bereadily liquefied at 5170 Tarr or 6.8 atmospheres, at 20 C (68 F), and has avery disagreeable odor. Its Element Symbol is Cl, atomic number is 17, andatomic mass is 35.453. s melting point is -101 C or 149.8 F. Theboiling ... Read More

Cancer Under the Lens of the Microscope (1083 words, 2 pages)

The individual unruly cell that has escaped the normal regulatory control mechanisms is the basic unit of cancer. Inside the nucleus is a substance called DNA, which contains genetic information for the body, organized in units called genes. These genes contain the complete plans for the body. They determine weather ... Read More

An Analysis of the American University in Cairo on a Biology Department (751 words, 3 pages)

THE AMERICAN UNIVERSITY IN CAIROBIOLOGY DEPARTMENTSCIENCE 453 BIOLOGY FOR ENGINEERS REPORT No.1ObjectiveTo test a sample of laboratory prepared bacteria and categorise itaccording to Christians gram positive and gram negative classes and also byviewing it under a high powered microscope and oil immersions classify itsshape and note any special characteristics.IntroductionBacteria was ... Read More

An Essay on the Study of Atom (2057 words, 3 pages)

The atom is the smallest portion of a substance that is not perceivable by human senses. The notion of atoms was conceived by ancient Greeks and was developed over thousands of years of scientific inquiry. The concept of qi as the most basic substance of which the world (everything) is ... Read More

An Analysis of the Asymmetric Epoxidation of Dihydronaphthalene With a Synthesized Jacobsen’s (2162 words, 8 pages)

Asymmetric Epoxidation of Dihydronaphthalene with a Synthesized Jacobsen'sChem 250 GGAbstract. 1,2 diaminocyclohexane was reacted with L-()-tartaric acid to yield(R,R)-1,2-diaminocyclohexane mono-()-tartrate salt. The tartrate salt was thenreacted with potassium carbonate and 3,5-di-tert-butylsalicylaldehyde to yield(R,R)-N,N'-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediamine, which wasthen reacted with Mn(OAc)24H2O and LiCl to form Jacobsen's catalyst. Thesynthesized Jacobsen's catalyst was used to ... Read More

An Overview of the Four Elements in Group 5A of the Periodic Table (1238 words, 2 pages)

Phosphorus (P), (As), antimony (Sb), and bismuth (Bi) form a group of four elements in Group 5A of the periodic table. They exhibit increasing metallic properties going down the group. Nitrogen (N), which heads the group, is a colorless, odorless, and tasteless gas. Phosphorus is a highly reactive nonmetal, and ... Read More

Biology Essay Examples