Biology Essays Examples For College & High School Students in PDF

10822 total results

The Life and Invention of Daniel Fahrenheit (649 words, 1 pages)

Daniel Fahrenheit Daniel Fahrenheit was born in the Polish city of Gdansk on the 14th of May 1686. He was the oldest of five children and only fifteen when his parents both died. The city council put the four younger Fahrenheit children in foster homes. But Daniel Fahrenheit was instead ... Read More

A Description of George Washington Carver a Agricultural Scientist (705 words, 1 pages)

George Washington Carver (1860-1943)Agricultural ScientistDr. George Washington Carver was born in 1860 in Diamond, Missouri. When he was 30 he was accepted to Simpson College in Indianola, Iowa. Carver was later transferred to Iowa Agricultural College which is now Iowa State University. There he got a Bachelor of Science degree ... Read More

The Factors Affecting the Resistance of a Piece of Wire (449 words, 1 pages)

What factors affect the resistance of a piece of wire? What I am going to investigate is, what factors affect the resistance of a piece of wire.To start this experiment I will need the following equipmentsPower packAmmeter Voltmeter1 meter ruler (100cm)110cm of wireCrocodile clipsThis shows how the equipment will be ... Read More

A Look at the Factors Affecting the Rate of Enzyme Activity (497 words, 1 pages)

Factors Affecting The rate of Enzyme ActivityPrediction As the temperature increases the rate of enzyme activity will also increase, thus increasing the rate of reaction. However, if the temperature is too high the enzyme will denature. Materials 4 test tubes2 small beakersA dozen filter paper disksTest tube rackHydrogen peroxide (H2O2)Potato ... Read More

A Description of Vision Learned To See For Information and Performance (1130 words, 2 pages)

EyesightVision is the learned ability to see for information and performance it allows us to understand things that we cannot touch, taste, smell or hear. 2020 vision does not mean perfect eyesight. 2020 vision simply means that at a 20 ft. distance a person is able to see a certain ... Read More

An Analysis of an Experiment Aimed To Introduce the Negative Deviation of a Mixture From the Idea Behavior Due To the Dominance of the Heterogeneous Molecular Interactions (527 words, 1 pages)

ABSTRACT This experiment aims to introduce the negative deviation of a mixture from the ideal behavior due to the dominance of the heterogeneous molecular interactions over the homogenous ones. In this experiment, a calibration curve for the refractometer was made using known percentages of cyclohexanone and 1,1,2,2-tetrachloroethane (TCE). Simple distillation ... Read More

An Essay on the Theory of Evolution (264 words, 1 pages)

Questions on the origin of life and of the universe must have challenged human curiosity and imagination as soon as early man had time for activities other than survival. In 1859, Charles Darwin published the Origin of Species, and since then, people have debated between the creationism and evolutionism theories. ... Read More

An Essay on the Controversial Issues of Evolution Versus Creationism (933 words, 1 pages)

Evolution vs. Creationism The Evolution vs. Creationism controversy goes all the way back to the Publishing of Origin of Species in 1859 by Darwin laying the foundation for the evolution of life to be understood. Scientists are continuously finding more evidence to support Darwins conclusion that organisms descended from a ... Read More

An Evaluation of the Theory of Evolution (818 words, 1 pages)

C2 Science T.Fiegel Evaluation of the theory of evolutionPart 1- Darwins TheoriesDarwin had many scientific theories and ideas unto how animals plants grew, survived and changed over time. His main concepts included variation within species, natural selection, survival of the fittest and inheritance of characteristics from the ancestors.People were always ... Read More

A Description of the Two Main Theories Regarding the Origin of Modern Humans (843 words, 1 pages)

There are two main theories regarding the origin of modern humans. The first theory suggests that pre modern humans evolved into modern humans prior to leaving Africa and then dispersed in different directions this theory is called the Out of Africa Theory. The second theory suggests that pre modern humans ... Read More

A Research on Human Physical Traits that Define Their Species (3061 words, 4 pages)

Human evolution is the biological and cultural development of humans. A human is any member of the species Homo sapiens, meaning wise man. Since at least the Upper Paleolithic era, some 40,000 years ago, every human society has devised a creation myth to explain how humans came to be. Creation ... Read More

The Theory of Evolution and the Challenges on People’s Beliefs in a Supreme Being (979 words, 2 pages)

One of the reasons that the theory of evolution has been such a controversial topic when taught in biology class is because it challenges peoples beliefs in a supreme being. A typical definition of biological evolution can be found at www.thefreedictionary.comevolution, and is defined as a Change in the genetic ... Read More

A Description of the Evolutionary Ideas Such as Common Descent and the Transmutation of Species (2078 words, 3 pages)

Evolutionary ideas such as common descent and the transmutation of species have existed since at least the 6th century BCE, when they were expounded by the Greek philosopher Anaximander. Such views rose to prominence in the 18th century, but the first convincing exposition of a mechanism by which evolutionary change ... Read More

An Essay on the Belief on Evolution and Creation (3170 words, 4 pages)

-This essay is not mine-THE question Do you believe in evolution or in creation? is more than a matter of idle curiosity. The answer that one gives will be deeply reflected in his attitude toward his fellowman, his moral values and his outlook on the future.2 Belief in evolution is ... Read More

An Analysis of Ethanol (534 words, 1 pages)

Ethanol, a Fuel?Ethanol fuel is a type of alcohol found in alcoholic beverages that is often made from common agricultural products. It is either mass-produced by fermentation of sugars or from cellulose. Wheat or corn kernels are ground in a hammer-mill to expose the starch, the ground grain is then ... Read More

An Analysis of the Professor J.G Quintiere Researches and Findings in the Field of Compartment Fire Behavior and Flashover Phenomena (3133 words, 4 pages)

Table of contents Table of contents1Abstract2Acknowledgment2Introduction3Selected Papers4Flash over and instabilities in fire behaviour.4Estimating room temperatures and likelihood of flashover using fire test data correlations6Conclusion9References10Appendix I12 Abstract The contribution of Professor J. G. Quintiere into the field of fire protection is introduced and discussed, and as it is difficult to evaluate ... Read More

A Research on Enzymes (318 words, 1 pages)

IntroductionEnzymes are protein catalysts which are crucial to life. Enzymes are proteins that help to spped up chemical reactions in the body. Without enzymes, many of the important processes of life could not happen. Enzymes are very specific in their functions. Each enzyme has only one reaction that it can ... Read More

An Examination of Enzyme in a Living Organism (2865 words, 3 pages)

ENZYME INVESTIGATIONPlanningIntroduction An Enzyme is any one of many specialised organic substances, composed of polymers of amino acids, that act as catalysts to regulate the speed of the many chemical reactions involved in the metabolism of living organisms. Those enzymes identified now number more than 700.Enzymes are classified into several ... Read More

Factors Affecting the Rate of Enzyme Activity (3177 words, 4 pages)

Factors Affecting the Rate of Enzyme ActivityMalt amylase (enzyme) was tested in different enzyme concentration, substrate concentration and environmental factors such as pH level, temperature and inhibitor (ZnCl2) in order to see the effect of those factors to the ability of enzyme breaking down substrate. In the experiments for effects ... Read More

A Description of the Lactate Dehydrogenase Catalase Reduction of Pyruvate (1041 words, 2 pages)

IntroductionIn this experiment, the lactate dehydrogenasecatalase reduction of pyruvate to lactate in the presence of reduced nicotinamide adenine dinucleotide (NADH) as the coenzyme, was studied. When animal tissues cannot be supplied with sufficient oxygen to support aerobic oxidation of the pyruvate and NADH produced in glycolysis, NAD is regenerated from ... Read More

A Study of Enzyme Kinetics (1827 words, 3 pages)

Enzyme KineticsEmail addressSG saidaguerra87hotmail.comAbstract BackgroundEnzyme kinetics is the study of the rates of chemical reactions that are catalyzed by enzymes. The study of enzymes kinetics provides insights into the catalytic mechanism of the enzyme, its role in metabolism, how its activity is controlled in the cell and how drugs and ... Read More

An Analysis of How the Concentration of Enzymes Controls the Breakdown of Hydrogen Peroxide (1642 words, 2 pages)

How the concentration of enzymes controls the breakdown of Hydrogen Peroxide?Aim- We are investigating the effect of changing the concentration of the enzyme catalase has on the rate of breaking down of Hydrogen Peroxide.Background Info- This experiment will involve some soft potato. Potato has a very high enzyme count, thats ... Read More

An Analysis of the Enthalpy Change Between a Metal and a Solution of a Salt (618 words, 1 pages)

This experiment will test the suggestion that the enthalpy change between a metal and a solution of a salt is related to the relative position of the two metals in the reactivity. Presumably the further apart in the series the bigger the enthalpy change will be.The experiment is as follows,1) ... Read More

Enteral and Parenteral Nutrition in the Critical Care Setting (518 words, 1 pages)

Enteral and Parenteral Nutrition in the Critical Care SettingManagement of patient nutrition has long been a topic of controversy. Questing of timing, route of administration and composition of feeding solution constituents are several variables that share a lack of consensus.There is a 50 rate of malnutrition cited in hospitalized patients.Many ... Read More

The Different Types and Forms of Energy (910 words, 1 pages)

EnergyDo you ever wonder what makes you go? I dont mean the engine in your car that makes it go down the road , even though this could be considered a form of energy. What I am talking about is the energy stored within something or someone. Energy as you ... Read More

An Essay on Genetic Engineering and Its Endless Possibilities (1608 words, 2 pages)

Endless possibilities in Genetic Engineering Within a short period of time, genetic engineering has turned into one of the biggest growth areas in scientific research. It appears regularly in the media although the general public has no idea the meaning. It is currently one of the most sensitive areas of ... Read More

An Analysis of the Endocrine System (1590 words, 2 pages)

The endocrine system is a control system of ductless glands that secrete chemical "instant messengers" called hormones that circulate within the body via the bloodstream to affect distant cells within specific organs. Endocrine glands secrete their products immediately into the blood or interstitial fluid, without storage of the chemical. Hormones ... Read More

A Research on Embryonic Stem Cell (1533 words, 2 pages)

Embryonic Stem Cell Research How does it affect you?Embryonic stem cell research is widely controversial in the scientific world. Issues on the ethics of Embryonic Stem (ES) cell research have created pandemonium in our society. The different views on this subject are well researched and supportive. The facts presented have ... Read More

An Essay on Designer Babies (2680 words, 3 pages)

Introduction HistoryPeople have been seeking to create designer babies for centuries. Character and trait selection have not always been done using scientifically proven methods, but it has been around for as long as the human race has been reproducing. In many respects human nature seeks to choose those characteristics which ... Read More

An Introduction to the Process of Embryo Transfer (576 words, 1 pages)

Embryo transfer is the process of taking fertilized embryos from one animal and inserting them into another. This is very useful today in cattle, because now it is economically feasible and it allows the producer a greater number of offspring from one cow with desirable traits. The process starts normally ... Read More

Biology Essay Examples