Biology Essays Examples For College & High School Students in PDF

10822 total results

An Analysis of the Classical Decomposition Method for Calloway Golf (1195 words, 3 pages)

Classical Decomposition Method for Calloway Golf (1995-1999)For this paper I have gathered quarterly data on the sales of Calloway Golf Company from 1995 to the third quarter of 1999,and will attempt to fit a time series model using the Classical Decomposition Method, which uses a multifactor model shown belowYt f(T,C,S,e)whereYt ... Read More

How a Circuit Breaker Works (964 words, 4 pages)

Circuit Breaker AbstractA circuit breaker was examined to determine how it works.Basically, it is designed to disconnect the current if the current passingthrough the breaker is higher than the allowable current. Its main partsconsist of a switch, connecting pads, and the disconnect device. Sincethe breaker consists of many individual parts, ... Read More

An Analysis of the Sensitive Chromosome Probes Discovered By the University of Toronto Geneticist (770 words, 1 pages)

Chromosome Probes at the University of Toronto ------------------------------------------------------- Uploaded November 29, 1986. Sensitive chromosome probes recently discovered by a University of Toronto geneticist will make it easier to detect certain types of genetic and prenatal diseases, as well as being used to determine paternity and provide forensic evidence in criminal ... Read More

A Look at Sensitive Chromosome Probes and Their Scientific Importance (720 words, 2 pages)

Chromosome ProbesChromosome ProbesSensitive chromosome probes recently discovered by a University of Torontogeneticist will make it easier to detect certain types of genetic and prenatal diseases, aswell as being used to determine paternity and provide forensic evidence in criminalcases. Probes are short pieces of DNA which bind to, and actually pinpoint, ... Read More

An Analysis of Sensitive Chromosome Probes in Genetics (737 words, 3 pages)

Chromosome Probes at the University of TorontoSensitive chromosome probes recently discovered by a University of Toronto geneticist will make it easier to detect certain types of genetic and prenatal diseases, as well as being used to determine paternity and provide forensic evidence in criminal cases. Probes are short pieces of ... Read More

An Analysis of the Role of Chromium and the Effects of Chromium Deficiency on Humans (819 words, 2 pages)

ChromiumDiscovery of Chromium's Role in HumansIt was known by the 1950s that chromium was needed in humans to control blood sugar, but it wasn't until the 1970s that chromium's main role in humans was found out. It came accidentally, as a result of a new procedure that had been introduced ... Read More

An Overview of the Metal Chromium (574 words, 2 pages)

ChrominimumChris Nicholatos 112999Mr. Cicero Block-DChromiumChromium is a metal found in natural deposits as ores containing other elements. Chromium is a steel-gray, hard metal that is very brittle. It is classified as a heavy metal. After its refined from the ore chromite its compounds are used in leather tanning and manufacturing ... Read More

An Analysis of the Function of Chlorophyll in Plants (393 words, 1 pages)

Chlorophyll is the green pigment inside of plants that give them their characteristic green color. Chlorophyll absorbs violet -blue and orange- red light from the sun needed for photosynthesis. Composed mostly of carbon and hydrogen it is a necessary compound used in the complex process that allows for much of ... Read More

An Overview of the Environmental Science and the Fish Chinook Salmon in the United States (603 words, 2 pages)

Chinook SalmonChinook SalmonEnvironmental Science Wednesday, February 26, 1997Among the many kinds of fish harvested each year by commercial fisheries is theOncorhynchus tshawytscha or Chinook salmon. The United States catches anaverages of about three hundred million pounds of salmon each year. Howeversome Chinook salmon have been recently listed as threatened. Man ... Read More

An Overview of the Chinese Space Program (432 words, 1 pages)

Chinas Space ProgramCHINA CITES 'GREAT PROGRESS' IN MANNED SPACE PROGRAM By Daniel Southerland (c) 1986, The Washington Post PEKING - China has made "great progress" in developing a manned space program and the day it launches a man in space for the first time is "not far off," an official ... Read More

An Analysis of Peter Mitchell’s Chemiosmotic Hypothesis from 1961 (568 words, 2 pages)

ChemiosmoticHypothesisPeter Mitchell (1920 - 1992) Chemiosmotic Hypothesis Peter Mitchell's 1961paper introducing the chemiosmotic hypothesis started a revolution which hasechoed beyond bioenergetics to all biology, and shaped our understanding of thefundamental mechanisms of biological energy conservation, ion and metabolitetransport, bacterial motility, organelle structure and biosynthesis, membranestructure and function, homeostasis, the evolution ... Read More

An Introduction to the History of Chemistry (617 words, 2 pages)

Chemistry1. a) Bulk movement is the overall movement of a fluid. The molecules all move in the same direction. Diffusion however is the random movement of molecules which usually results in a fairly even distribution. In other words the movement is not guaranteed to move in one direction but the ... Read More

An Analysis of the Relative Reactivity of Different Elements (1497 words, 5 pages)

Chemical EquilibriaDarryl FaganPd. 4 01-20-00AP ChemistryAn Activity SeriesChemistry Lab 5IntroductionIn this experiment you will study some metals and some nonmetals to find their relative reactivity. A ranking according to reactivity is called an activity series. For example, an activity series containing the elements calcium, gold and iron would put the ... Read More

An Overview of the Chemical Compound Bromine (290 words, 1 pages)

Chemical Compounds BromineThe element Bromine, is a red liquid which is explosive at room temperature and has ared brown vapour. It has an atomic number of 35 and an atomic mass of 79.909. Themelting point of Bromine is -7 deg.C and the boiling point is 58 degC with a relativedensity ... Read More

A Biography and Life Work of Charles Goodyear, an American Chemist (766 words, 1 pages)

Charles GoodyearCharles Goodyear was born in New Haven, Connecticut on December 29, 1800 to Amasa and Cynthia Goodyear. Charles's father was a hardware manufacture and a merchant. Amasa Goodyear built mainly farming tools like hayforks and scythes, which he invented. When Charles was a teenager he wanted to go into ... Read More

The Impact of the Theory of Evaluation by Natural and Sexual Selection (212 words, 1 pages)

Charles Darwin and the Development and impact of the Theory of Evolution by Natural and Sexual SelectionIntroduction It is commonly thought today that the theory of evolution originated from Darwin in the nineteenth century. However, the idea that species mutate over time has been around for a long time in ... Read More

An Analysis of the Characterizations of the Physician in the Medieval Era (380 words, 2 pages)

Characterization of the PhysicianCharacterization of the PhysicianDirect CharacterizationDoctor of physicsHe was very into astronomy.He kept his patient from being depressedby horoscope and magic.He could sense the fortune that'll arrivein his sick patients dwelling.He was a very good physician.He knew the cause of every sickness.His patient pays him in gold.He read ... Read More

Understanding the Science of the Chromosomes and Its Genetic Characteristics (556 words, 2 pages)

Chapter 10 Definitionsautosome any chromosome other than the sex chromosomebase deletion a mutation in which a nucleotide is lost from the DNA sequencebase insertion a mutation in which a nucleotide base is added to the DNA sequencecarrier an individual who is heterozygous for a recessive traitchromosome mapping a method of ... Read More

Making a New Science in James Gleick’s “Chaos” (257 words, 3 pages)

Chaos Making A New ScienceChaos Making A New ScienceChaos by James Gleick presents to its readers the idea of a new science. Gleick shows this new science as a deviation of old conventional science which gives rise to new ideas and new ways to look at old problems. In order ... Read More

An Analysis of the Cooking up a Cosmos in Astronomy (2139 words, 3 pages)

Change The GameCOOKING UP A COSMOSWill our descendants create a universe in a laboratory?YOU DON'T HAVE TO BE A MASTER CHEF TO MAKE meringue. Simply combine egg whites and sugar in a large bowl and beat vigorously until the mixture is light and fluffy. Spread in a pan and put ... Read More

An Overview of the Challenger of Nasa and the Astronomic Space Project (606 words, 1 pages)

ChallengerIt was a cold, crisp, and damp morning on the Florida Space Coast as the space shuttle Challenger raced through the sky at speeds approaching mach 2 at an altitude of 104,000 feet when something went perilously wrong. All of America watched, including the family members of the seven doomed ... Read More

An Introduction to the Space Shuttle Challenger Disaster (2444 words, 3 pages)

Challenger DisasterThe Space Shuttle Challenger Disaster was a preventable disaster that NASA tried to cover up by calling it a mysterious accident. However, two men had the courage to bring the real true story to the eyes of the public and it is to Richard Cook and Roger Boisjoly to ... Read More

Understanding the Process of Cellular Respiration (372 words, 1 pages)

Cellular RespirationCellular respiration begins with glucose. Glucose is the primary fuel used inglycolysis, the first stage of cellular respiration. This molecule is found inthe gel-like substance called cytoplasm that fills the cell. In glycolysis,glucose undergoes phosphorylation by ATP. The ATP is converted back to ADP. Theglucose molecule is rearranged and ... Read More

An Explanation of the Theory of Biogenesis and Cell Theory (301 words, 1 pages)

Cellular LifeIn this paper I will show my knowledge of many different topics of CellularLife. I will explain the theory of biogenesis, cell theory, the history of bothand how they tie in together. I will also state the scientific method and why itis important to science. Abbi Spallonzani used Scientific ... Read More

An Analysis of the Different Types of Cell Parts in an Organism (861 words, 5 pages)

Cells Proteins made from ribosomes attached to the rough endoplasmic reticulum enter the lumen of the ER and move to the smooth endoplasmic reticulum. A small vacuole (vesicle) pinches off the smooth ER and carries the protein to the Golgi apparatus, where it is further processed.------------------------------------------------------------- Mitochondria are bounded by ... Read More

A Look at the Cells of the Human Body (4453 words, 9 pages)

Cells Of The Human BodyCells are the basic living units of all plants and animals. The cell is the structural and functional unit of all living organisms. There are a wide variety of cell types, such as nerve, muscle, bone, fat, and blood cells. Each cell type has many characteristics, ... Read More

An Overview of the Cellular Structure and Function (566 words, 1 pages)

Cell Structure And FunctionCELL STRUCTURE AND FUNCTIONAll living things are made of the same basic building blocks, cells. A human is made of 65 trillion cells. Cells are everywhere, on you skin, in your blood, and even on your tongue. In fact, your blood is clear but red blood cells ... Read More

A Look a the Parts of a Cell (353 words, 1 pages)

Cell PartsNucleus Cell Wall Cell Membrane Ribosome Mitochondria Vacuoles NucleolusEndoplasmic Reticulm Lysosomes 5. Have the "cell membrane people" cutthe large piece of plastic wrap in half and place each piece on the table. 6.Have the "cytoplasm people" form 2 balls using the plain play-doh orclay. Lay 1 ball on each ... Read More

An Analysis of the Process of Cell Communication in an Organism (1239 words, 2 pages)

Cell CommunicationPhysiologyIn the human body there are many parts that work together in order for everything to function properly, but even these parts need to have a way to know what to do. This is where cell communication comes into play. Tiny cells in the body contain astounding networks that ... Read More

An Introduction to the Carbohydrates in Molecular Science (1548 words, 8 pages)

CarbohydratesINTRODUCTIONA theme that we have seen and studied in this class is that a particularform orstructure of a molecule plays a significant role in the function of thatmolecule. Since weare interested in the function of molecules. it helps to study theirstructure. One of themajor classes of organic compounds found in ... Read More

Biology Essay Examples