Biology Essays Examples For College & High School Students in PDF

10822 total results

An Analysis of the Black Hole in the Galaxy NGC 4621 (821 words, 2 pages)

On December 3, 1995, astronomers using the Hubble Space Telescope identified a black hole in the galaxy NGC 4621, located 100 million light-years from Earth in the direction of the constellation Virgo.This is the second super-massive black hole that astronomers using the Hubble Space Telescope have found. Astronomers believe that ... Read More

Mitchell’s Defence of Frankenfoods (933 words, 2 pages)

REG MITCHELL's defence of Frankenfoods'' -- genetically engineered (GE)farm products -- in his Oct. 9 article So-called Frankenfoods have no more pathogens than are found in nature'' is a repetition of the mantra we hear daily from the global corporations that dominate agricultural biotechnology.His principal point seems to be that ... Read More

An Analysis of Unlimited Possibilities and Its Risks in Biotechnology (768 words, 3 pages)

Over the past decade, has advanced much to theadvantage of many people. We have learned that with certain chemicals,we are able to cut-and-paste the DNA of certain organisms, and alterthem to comply to our sociable needs. But this can also affect modernmedicine, political factors, economic, and societal balances in ournation.For ... Read More

Chemical Weapons and Explosives (2528 words, 5 pages)

TNT is not the kind of substance that most people think of composting, but it can be done! At several U.S. Army depots, the water used in processing explosives was disposed of through evaporation from unlined lagoons. This has resulted in sediments and soils that are contaminated with TNT (2,4,6- ... Read More

An Analysis of the Study of Kinematics in the Development of Prosthetic Limbs and Footwear (617 words, 1 pages)

The term means the study of the structure and function of biological systems using the methods of mechanics. studies the process of kinematics and develops artificial limbs and footwear specifically to aid the body in performance. The study of also includes the stress testing on crash dummies in car accidents ... Read More

An Analysis of Five Major Groups of Compounds in a Human Body (1148 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

The Extent to Which Surface Area to Volume Ratio on an Object Affects the Rate of Its Heat Loss (1987 words, 4 pages)

Biology Coursework Practical Heat LossThe aim of this practical is to find to what extent does the surface area to volume ratio of an object affect the rate of heat loss from the objectHypothesis As the ratio of surface area to volume of an object decreases the rate of heat ... Read More

A Look at the Controversial Issue of Bioethics in the Case of Cloning (1918 words, 3 pages)

Bioethics, which is the study of value judgments pertaining to human conduct in the area of biology and includes those related to the practice of medicine, has been an important aspect of all areas in the scientific field (Bernstein, Maurice, M.D.). It is one of the factors that says whether ... Read More

An Argument Against Biotechnology in Plants and Animals (881 words, 3 pages)

Genetically modified plants have been around for as long as people have been cultivating plants. Historically, genetic modifications have been the results of benefits and errors. The cross breeding of seeds are kept from the best plants to plant the following year in order to reproduce favorable traits. Because of ... Read More

A Study of the Various Light Intensities and Their Effects on Plant Photosynthesis (603 words, 1 pages)

AbstractThis report is a study of various light intensities of 0-watts, 75-watts, and 100-watts of light intensities on the light reaction in photosynthesis of spinach chloroplasts suspended in 0.5 M sucrose. During the experiment DCPIP was used in the chloroplasts in place of NADPH in the light reaction to be ... Read More

An Analysis of the Diffusion of Water Molecules in Osmosis (539 words, 1 pages)

Osmosis is the diffusion of water molecules across a differentially permeable membrane from a region where water molecules are more concentrated to one where they are less concentrated. The transport of water is simple the cell being selectively permeable will allow water through it until an equilibrium is reached and ... Read More

An In-depth Analysis of the Popular “Big Bang Theory” on How the Universe Began (2457 words, 11 pages)

Year 10 SciencePractical ReportBig Bang TheoryIntroductionAccording to the scientific community, all the matter in the universe began in a very tiny, hot and compacted point. But what exactly caused this point to become the universe we know today? The "big bang" theory is the popular explanation for where the galaxies, ... Read More

A Look at How the Universe Began Through the Big Bang Theory (1282 words, 5 pages)

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

An Analysis of the Steady State Model of the Creation of Universe (1240 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 and Steady State. However, through many observational evidences, the theory can best explain the creation ... Read More

An Analysis of the Topic of the Most Important Factor in Determining the Lift Generated by an Airplane (579 words, 1 pages)

Flight is one of the most important achievements of mankind. We owe this achievement to the invention of the airfoil and understanding the physics that allow it to lift enormous weights into the sky.All flight is the result of forces acting upon the wings of an airplane that allow it ... Read More

The Chemical Description of Benzene (500 words, 1 pages)

, C(6)H(6), is a clear, colorless, flammable liquid that is insoluble in water.Its boiling point is 80 degrees C (176 degrees F). In the past was obtained fromthe distillation of coal in the absence of air. Today most is made syntheticallyfrom petroleum products.The is a closed ring of six atoms ... Read More

An Analysis of the Topic of the Vision Council of America on the Topic of the Physics (1812 words, 5 pages)

Physics ERTThe aim or this pater is to provide an overview on the concepts of light and optics as applied to the field of sight correction. The paper will introduce the theories involved and how the application of these theories has advanced over time. According to the Vision Council of ... Read More

An Introduction to Microbiology (2015 words, 4 pages)

Theyre out there! You cant 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 isnt. It is actually a ... Read More

An Introduction to the Analysis of the Expansion of the Universe (236 words, 1 pages)

If it started with a bang or a blast no one really knows for sure, but the universe that was left behind will only expand until it has reached its limit. Then all matter and energy will condense back to a single, inconceivably dense point concluding the life of the ... Read More

An Introduction to the Reproduction of Bacteria (1200 words, 4 pages)

INTRODUCTION 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 exist on ... Read More

An Introduction to the Issue of Bacteria on Cell Phones (481 words, 3 pages)

Problem Is there is bacteria growing on cell phones, and if there is, how much?Background Research Bacteria are classified into two kingdoms, Eubacteria and Archaebacteria. They are found everywhere, especially Eubacteria. Bacteria are microscopic prokaryotes. They are heterotrophs, meaning the need to consume food to survive. They reproduce by binary ... Read More

An Introduction to the Analysis of Bacteria (291 words, 1 pages)

Bacteria can help and harm humans in the world today.Theagricultural industry depends on the existence of bacteria that cantransform the nitrogen gas from the atmosphere into ammonia in the soilthat plants can use in a process called nitrogen fixation.Bacteria are goodfor recycling because they feed on dying material and convert ... Read More

An Introduction to the Structre and Life Processes of Bacteria (608 words, 1 pages)

Describe the structure and life processes of bacteria.Bacterial cells, like plant cells, are surrounded by a cell wall. However, bacterial cell walls are made up of polysaccharide chains linked to amino acids, while plant cell walls are made up of cellulose, which contains no amino acids. Many bacteria secrete a ... Read More

An Introduction to the Analysis of Bacillus Anthacis the Bacterium for Anthrax (306 words, 1 pages)

Robert Koch discovered Bacillus Anthracis, the bacterium for the deadly disease, Anthrax, in 1877. Robert Koch grew the bacterium into a pure culture, demonstrated its ability to form endospores, and produced experimental Anthrax by injecting it into animals. Bacillus Anthracis was the first bacterium shown to be the cause of ... Read More

An Introduction to the New Phase of Matter (383 words, 2 pages)

A new phase of matter has been discovered seventy years after AlbertEinstein predicted it's existence. In this new state of matter, atoms do notmove around like they would in an ordinary gas condensate. The atoms move inlock step with one another and have identical quantum properties. This willmake it easier ... Read More

An Introduction to the Analysis of the Beta Pictoris System (1556 words, 6 pages)

BETA PICTORIS PLANETS? LIFE? OR WHAT?JARAASTRONOMY 102 SEC 013 The ultimate question is Is there a possibility that life might exist on aplanet in the Beta Pictoris system? First, one must ask, Are there planets inthe Beta Pictoris system?. However, that question would be impossible to answerif one did not ... Read More

An Introduction to the Comparison of Human and Apes (314 words, 1 pages)

Date December 15th There are many types of the hominid called australopithecus, which meanssouthern apes. These were small ape-like creatures(with a height between 107cmand 152cm) that showed evidence of walking upright. It is difficult to tellwhether these begins are "humans" or "apes". Many of their characteristics aresplit between humans and ... Read More

An Introduction to Auriga, the Charioteer Constellation (847 words, 3 pages)

Auriga, the Charioteer is the last of the autumnconstellations with a right ascension of six hours and adeclination of 41.73 degrees. Auriga is an ancient NorthernHemisphere constellation featuring one of the brighteststars in the sky Capella. Auriga is usually shown as acharioteer the young Auriga wields a whip in one ... Read More

The Explanations to the Different Atomic Theories (486 words, 1 pages)

Devin WatkinsPeriod 431913AtomsThere are three fundamental laws that give the idea to support the atomic theories which are the law of conservation of mass, which says that in a chemical reaction, matter is neither created nor destroyed, was developed by French scientist Antone Lavoisier. The law of definite proportions states ... Read More

An Introduction to the Analysis of Atoms (541 words, 2 pages)

is the study of atoms. Atoms are the smallest formsof matter that can still be consideredrecognized as elements. Atoms arewhat make up everything on our earth, from molecules to monkeys. Atoms arejoined together to make molecules, which are in turn joined together tomake everything else. To give you an idea ... Read More

Biology Essay Examples