Biology Essays Examples For College & High School Students in PDF

10822 total results

The Controversy of DNA Fingerprinting in the Law Enforcement (596 words, 1 pages)

BiologySociologyOne in a MillionDNA fingerprinting (the use of a person s DNA to identify them) has become a hot topic in the field of law enforcement as well as the entire world. The controversy exists on whether or not it should be admitted in court as evidence at this time. ... Read More

An Overview of the Valdez Spill Case in the Scientific Research (1360 words, 2 pages)

Oil Spills It will happen againImagine that you are a just a small, ordinary seabird. It is March 24, 1987 and far away from you is an enormous tanker called the Exxon Valdez, coming at an astonishing speed. You do not worry, for these huge ships come along very occasionally ... Read More

An Analysis of the Process of Ion Crystallization (543 words, 1 pages)

When ionic solids dissolve, they divide to give their positive and negative ions that make up the solids. These ions become hydrates and have the same relative proportions when in solution and when solid. The more the solid dissolves, the more the ion s concentration increases. This increase and build-up ... Read More

An Analysis of the Development of Nuclear Warfare (1384 words, 3 pages)

NUCLEAR WARFARENuclear Weapons are explosive devices made to release nuclear energy. The first atomic bomb, which was tested on July 16, 1945, at Alamogordo, New Mexico, represented a completely new type of artificial explosive. All explosives get their power from the rapid burning or decomposition of some chemical compound. Such ... Read More

An Analysis of the Single Most Important Molecule Found in Cells known as the DNA Molecule (427 words, 2 pages)

DNA is the single most important molecule found within cells. It is a stable polynucleotide, which contains coded information for inherited characteristics. It is contained in chromosomes in the nucleus of an eukaryot cell. The essential features of the Watson-Crick model are summarised below.1. The two helical polynucleotide chains are ... Read More

An Analysis of the Status of Nuclear Weapons in Various Countries (2843 words, 15 pages)

What is the status of the international nonproliferation of nuclear weapons?Outline TitleI. IntroductionA. Floating Chernobyl B. Something to think aboutII. StatisticsA. Russia s nuclear arsenalB. US nuclear arsenalIII. TreatiesA. START IB. START IIC. START IIIIV. THREATSA. New Power LandscapeB. Broken CommandC. Broken ArmyV. Status of Other CountriesA. IraqB. North KoreaC. ... Read More

The Plans for Decommissioning the Closed Nuclear Power Plant (6350 words, 22 pages)

It promises to be a busy year for Maine Yankee, and for the Community Advisory Panel that is watching closely the decommissioning of the now-closed nuclear power plant.The 14-member panel will hold a day-long workshop Wednesday to discuss the dismantling and cleanup of the facility. At the top of the ... Read More

An Analysis of the World’s Natural Resources and the Necessity for the Nuclear Power (2301 words, 4 pages)

The world's natural resources are being consumed at an alarming rate. As these resources diminish , people will be seeking alternative sources by which to generate electricity for heat and light . The only practical short term solution for the energy-crisis is nuclear power.Nuclear power, however is not as safe ... Read More

An Analysis of the Importance of the Nuclear Power Plants as Part of the World S Elecricity Generation Plants (360 words, 2 pages)

Nuclear PowerMost of the world s electricity is generated by either thermal orhydroelectric power plants. Thermal power plants use fuel to boil waterwhich makes steam. The steam turns turbines that generate electricity.Hydroelectric power plants use the great force of rushing water from adam or a waterfall to turn the turbines.The ... Read More

The Risks of Developing Nuclear Energy (1016 words, 2 pages)

Nuclear energy has far too many negative problems than advantages to justify its use as an alternative fuel source. Among these problems are possibility of terrorrist attack, management of nuclear waste, and uranium mill tailings. Although nuclear power does not emit carbon dioxide, the main contributor to the Enhanced Greenhouse ... Read More

The Next Vital Step, Nuclear Fusion (892 words, 2 pages)

Nuclear Fusion is constantly present in our solar system. In the core of the sun, Hydrogen is converted to Helium providing enough energy to sustain life on earth. This process occurs at temperatures of 10-15 million degrees Celsius.We are now trying different methods here on Earth to make fusion the ... Read More

The Dangers of a Nuclear Reactor (2938 words, 5 pages)

You are watching the control panels and gages for rector two. Sitting comely you think about how easy your job is. It is a joke! All day you sit around and watch the gages for reactor number two just to make sure they maintain their settings. You don t even ... Read More

The Importance of the Field of Nuclear Chemistry and Nuclear Weapons (333 words, 1 pages)

Nuclear Chemistry and Nuclear WeaponsThe field of nuclear chemistry is so broad and varied that there is no universally accepted definition for it. This is because it is a subject, with its origins springing from areas such as physics, biology, and chemistry. Nuclear chemistry has contributed to numerous important discoveries ... Read More

An Analysis of the Importance of Salinity in the Growth of Unicellular Marine Algae (219 words, 1 pages)

Words 243 Significant Findings, Questions and Observations The purpose of this study was to determine if there was a general relationship between the relative amount of chlorophyll per cell and growth at various salinities in unicellular marine algae. Salinity is an important and critical ecological component to a marine environment ... Read More

The Absence of Allocentric Space in the Brain (1804 words, 3 pages)

"No representation of allocentric space has been found in the brain" Critically evaluate this statement. The question of how animals and humans navigate is a fundamental research problem upon which there has been much experimentation and debate, and so it is necessary to refine the title to a specific point. ... Read More

Nuclear Energy and How Things Have Changed (860 words, 3 pages)

Only 50 years ago, nuclear energy was an exotic, futuristic technology the subject of experiments and the stuff of science fiction. How things have changed. Today, we Americans get more electricity from nuclear energy than from any other source, except coal. In many states, nuclear energy is the leading source ... Read More

The Intriguing Study of the Brain and the Filed of Neurscience (818 words, 2 pages)

In the past, when people had psychological problems, neuroscientists would often wrongly jump to the conclusion that something in the persons past was to blame. Nowadays, scientists know more than ever about the growing field of neuroscience. In The Brain-Mind Connection A Quarter Century of Neuroscience , Beth Horning discusses ... Read More

An Analysis of the Genetic Material of a Cell and the Definition of a Mutation (731 words, 2 pages)

A mutation is an alteration in the genetic material of a cell that is transmitted to the cell's offspring. Mutations may be spontaneous (the result of accidents in the replication of genetic material) or induced by external factors (e.g., electromagnetic radiation and certain chemicals). Mutations take place in the genes, ... Read More

A Personal Story about an Interview with an Alien (4327 words, 26 pages)

Interview with an AlienIda Kannenberg, an elderly lady, lives in Hillsboro, Oregon, where she and her husband own and operate a successful antique shop. Although she is now nearly eighty, she continues to travel all over the world searching out and buying antiques for their shop. She is highly energetic, ... Read More

An Analysis of the Mitosis in Cancerous Cells (1536 words, 3 pages)

Mitosis in cancerous cellsMitosis, the process in which a cell undergoes nuclear division, is one of the four subdivisions of the cell cycle responsible for cell growth and reproduction. The first step in mitosis is prophase. In prophase the chromatin, diffuse in interphase, condenses into chromosomes. Each chromosome duplicates and ... Read More

An Analysis of the Mitosis Stages and the Cell Replication Proccess (242 words, 1 pages)

In mitosis, there are five different stages. The first stage is interphase, next prophase, metaphase, anaphase, and last telephase. Interphase is the longest phase. In this phase, the centrioles begin to replicate, the DNA replicates, and all of the preparations are made to be ready for mitosis to take place. ... Read More

A Report on the Planet Mercury (1901 words, 3 pages)

Mercury ReportThe magnificent planet Mercury is the planet I have chosen to research. I this report I have explained all there is to know about Mercury and its aura.The Romans gave Mercury its name after the fleet-footed messenger of the gods because it seemed to move quicker than any other ... Read More

An Analysis of the Surface of the Planet Mercury in Astronomy (526 words, 1 pages)

MercuryMercury is the eighth largest planet in our solar system, equaling roughly one-third of Earth s size. It is also the planet closest to the sun, and is often visible with binoculars, or even the naked eye. It s difficult to see in the twilight sky. One of Mercury s ... Read More

An Analysis of the Mercury Liquid Metal (419 words, 1 pages)

MercuryMercury s symbol is Hg, its atomic number is 80, its atomic mass is 200.59, its in group 12 and in period 6, and it also has two valence electrons. Its standard state is liquid at 298K and it is the heaviest known elemental liquid. It has a silvery white ... Read More

The Definition of Mass and Matter in Physics (685 words, 1 pages)

Mass is the amount of matter in an object. When you record mass the unit you use is grams. A medium sized leaf is about 1 gram, a potato chip 2 grams. A larger unit of mass is a kilogram. A kilogram is about the mass of a medium sized ... Read More

An Analysis of the Planet Mars in the Astronomy (1038 words, 2 pages)

Mars is the fourth planet from the sun at about 228 million-km (141 million miles) and the last terrestrial planet from the sun. The next five planets in order from the sun are gaseous. Mars follows closely behind Earth but is comparatively smaller, with about half the diameter of Earth ... Read More

The Characteristics and Types of the Cannabis Plant (869 words, 2 pages)

The active ingredient in marijuana is the THC which produces the high, which is a feeling of, pleasure a euphoria and wisdom, thoughts flow easily. Marijuana is illegal today but people want to legalize it for medical purposes. Cannabis is a leafy plant, which grows wild in many of the ... Read More

An Analysis of the Advancements of Civilisations and the Development of Energy Sources (1626 words, 3 pages)

Throughout the entire history of mankind, the technological advancements that civilisations have made have always been tied in with the development of energy sources. The first human energy technology was fire, along with human labour as the major energy source. This has bee supplemented by animals for agriculture and transportation ... Read More

An Analysis of the Evolution Process in Geology (2710 words, 5 pages)

Evolution, a process of change through time, is what links together the enormous diversity of the living world. A lot of evidence is present that indicates that the earth has had a very long history and that all living things arose in the course of that history from earlier, more ... Read More

A Discussion on the Theory of Evolution and Creation (605 words, 3 pages)

The theory of evolution and creation 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 theNative American The theory of evolution means that all plants and animalsdeveloped from earlier ... Read More

Biology Essay Examples