Biology Essays Examples For College & High School Students in PDF

10822 total results

The Evolution of Man in Don Johanson’s In Search of Human Origins (849 words, 2 pages)

In Search Of Human Origins - The Missing Links The Evolution of Man In the video series In Search Of Human Origins, Don Johanson the anthropologist who discovered the oldest human fossil "Lucy" leads us from Lucy's origins as one of our earliest ancestors through the stages of evolution to ... Read More

An Analysis of the Importance of Membranes in Molecular Transport, ATP Systems (464 words, 1 pages)

Importance of Membranes in Molecular Transport, ATP SystemsImportance of membranes in molecular transport and in ATP synthesisThe way in which a membrane is assembled decides what is allowed in and out of a cell and how it advances through the cell membrane. Certain molecules can simply pass through the cell ... Read More

Chromatography and the Identification of Amino Acids (2601 words, 7 pages)

Identification of amino acids by chromatography lab IntroductionChromatography is a common technique used by biochemists in separating and identifying different amino acids and helps to reveal the function of cell organelles. Chromatography is particularly approved for its accuracy in distinguishing between each compound, which it does by separating the chemicals ... Read More

Understanding the Science Behind the Water in the Ground (381 words, 1 pages)

How is there Water in the Ground? How do you suppose there is water in the ground? We know that water comes down in dew and in rain (and snow), that it flows along in rivers and streams, and that there is water in lakes, oceans, and any other kind ... Read More

An Analysis of How Solar Cells Work, Photovoltaic Cell Energy Generation (1209 words, 2 pages)

How Solar Cells Work, Photovoltaic Cell Energy Generation How Solar Cells Generate EnergySolar cells today are mostly made of silicon, one of the most common elements on Earth. The crystalline silicon solar cell was one of the first types to be developed and it is still the most common type ... Read More

An Analysis of the Historical Development of Cell Theory (491 words, 2 pages)

Historical Development of Cell Theory Historical Development - Cell Theory1.Robert Hooke - In 1662, he observed tiny compartments in the cork of a mature tree and gave them the Latin name cellulae (meaning small rooms). This was the origin of the biological term cell.2.Anton Von Leeuwenhoek - By the late ... Read More

A Discussion on Gravity and the Earth’s Tides (633 words, 1 pages)

Gravity and the Earth's Tides Gravity is the key to the Earth's rising and falling tides. The combined gravitational effects of the Sun and the Moon constantly pull the world's oceans in different directions and create tidal effects. But there are several other factors that complicate this basic process. Friction, ... Read More

An Analysis of the Genetically Engineered Food in the Agricultural Production (666 words, 2 pages)

Genetically Engineered Food Millions of people all over the planet suffer from poverty and starvation. One very interesting but experimental solution to the problem of world hunger is genetically engineered food. The process involves the crossbreeding of crops in a laboratory with species that are not plant like. Say for ... Read More

An Analysis of Genetic Engineering (1286 words, 3 pages)

Genetic Engineering. Right or Wrong? Genetic Engineering. Right or Wrong?Genetic engineering has been one of the most controversial ethical issues since 1997 when Dolly the first successfully cloned sheep was announced. Dolly has redefined the meaning of "identical twin" not only does she look exactly like her mother she also ... Read More

An Overview of the Genetically Engineered Crops in the Agricultural Production of the United States (954 words, 2 pages)

At one time, golden rice was just a wild idea that Ingo Potrykus thought up. Optimally, golden rice would improve the lives of millions of the poorest people in the world. The rice would contain beta-carotene which is the building block for vitamin A. However, imagining golden rice was one ... Read More

A Comparison of Views in Genetic Engineering: Science and Religion (1466 words, 3 pages)

Genetic Engineering Science vs. ReligionGenetic Engineering Science vs. ReligionWhat View Does Science Have on Genetic Engineering?For the first time in history, evolution has taken a backseat to the meddling of humankind with their own genetic makeup. There is an "ongoing realization that humanity is capable of directly shaping its own ... Read More

An Analysis of the Genetic Control of Fruit Vitamin C Contents (1339 words, 3 pages)

Genetic Control of Fruit Vitamin C ContentsAbstractAn F1 progeny derived from a cross between the apple (Malus x domestica) cultivars Telamon and Braeburn was used to identify quantitative trait loci (QTL) linked to the vitamin C (l-ascorbate l-AA) contents of fruit skin and flesh (cortex) tissues. We identified up to ... Read More

An Introduction to the Analysis of General Relativity (650 words, 3 pages)

General Relativity is Dead GENERAL RELATIVITY IS DEADMilan MeszarosAlpha Group Laboratories Society, Inc.Abstract The intent of the present study is to analize standard cosmology in an immanent mathematical-critical way. First of all, the fundamental statements of this cosmological model will be investigated themselves as well as their relevation to the ... Read More

A Biography and Life Work of Galileo Galilei, an Italian Scientist and Astronomer (400 words, 1 pages)

Galileo Biography Scientist Biographical Essay, GalileoGalileo, Italian physicist and astronomer, was born at Pisa February 15, 1564 and died at Arcetri, near Florence, January 8, 1642. In 1581 he entered the University of Pisa to study medicine and the Aristotelian philosophy, but soon abandoned medicine for mathematics and physical science. ... Read More

The Life and Contributions of Fritz Haber (1449 words, 3 pages)

Fritz Haber, His Studies of Chemistry, and Biographical InfoFritz Haber, His Studies of Chemistry, and BiographyThe name Fritz Haber has long been associated with the well-known process ofsynthesizing ammonia from its elements. While primarily known for developing a process which ultimately relieved the world of dependence on Chilean ammonia, this ... Read More

An Analysis to Investigate the Effect of Temperature on the Fermentation of Glucose By Baker’s Yeast (582 words, 3 pages)

Fermentation Lab FermentationPurpose To investigate the effect of temperature on the fermentation of glucose by bakers yeast.Hypothesis If to separate tubes of 20 glucose solution with 1 mil of yeast is added to battery jars filled with 20 and 38 c water then the warmer one will cause the yeast ... Read More

An Analysis of the Facts and Formation of Acid Rain (1604 words, 3 pages)

Facts on Acid Rain! Formation of acid rain.Acid deposition, more commonly known as acid rain, occurs when emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) react in the atmosphere with water, oxygen, and oxidants to form acidic compounds. This mixture forms a mild solution of sulfuric and nitric acid ... Read More

The Origin of the Universe: Big Bang and Steady State (1282 words, 3 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 Big Bang and Steady State. However, through many observational evidences, the Big Bang theory can ... Read More

An Essay on Evolution and Creation (10607 words, 22 pages)

Evolution vs. Creation 0. Introduction and table of contents The following is an organized presentation on the creation vs. evolution controversy. This is the fourth revision of a set of essays which I had originally submitted in note 840 of the now-archived ChristianV5 conference, with first revisions submitted in note ... Read More

Evolution: An Examination of the Relation of Dinosaurs and Birds (741 words, 2 pages)

Evolution Are Birds Descendants of Dinosaurs?Dinosaurs and BirdsAre birds really dinosaurs or are they simply related? That is a question that has gained new life in recent years due to the overwhelming facts the are pouring in from newly found fossils and studies from fossils that have been found in ... Read More

An Essay on Genetic Testing (1395 words, 2 pages)

Eugenics Discussinon, Genetic Testing Essay Genetic Testing And Individuals With Disabilities Some individuals within the disabilities community have stated that the use of genetic testing, which results in the abortion of fetuses with certain traits or dispositions, can be interpreted as a form of eugenics. Prenatal screening programs that prevent ... Read More

A Description of Clone Which Has Become One of the More Emotive (892 words, 2 pages)

Of all the terms coined by scientists which have entered popular vocabulary, 'clone' has become one of the more emotive. The question shakes us all to our very souls. For humans to consider the cloning of one another forces them all to question the very concepts of right and wrong. ... Read More

The Science of Cloning (1530 words, 3 pages)

Cloning has been going on in the natural world for thousands of years. A clone is simply one living thing made from another, leading to two organisms with the same set of genes. In that sense, identical twins are clones, because they have identical DNA. Sometimes, plants are self-pollinated, producing ... Read More

A Report on Acid Rain (563 words, 2 pages)

Essay on Acid RainDiscussion of Acid Rain How does it occur?"Acid rain" is a broad term used to describe several ways that acids fall out of the atmosphere. A more precise term is acid deposition, which has two parts wet and dry. Wet deposition refers to acidic rain, fog, and ... Read More

An Overview of the Process of Photosynthesis (1384 words, 3 pages)

Entire Process of Photosynthesis The Entire Process of PhotosynthesisPhotosynthesis is the process by which organisms that contain the pigment chlorophyll convert light energy into chemical energy which can be stored in the molecular bonds of organic molecules. Photosynthesis powers almost all trophic chains and food webs on the Earth. The ... Read More

A Look at the Effect of Scientific Pursuit on Economics and Morality (1052 words, 2 pages)

Effect of Scientific Pursuit on Economics and Morality How is the pursuit of scientific knowledge adulterated by the influences of economics, morality and political beliefs? Quite often we think of the pursuit of scientific knowledge as an exploration through which information is gathered solely from experimentation, but experimentation is only ... Read More

An Overview of the Development of the Human Zygote (2420 words, 5 pages)

Development of the Human Zygote Development of the Human Zygote, Human Reproduction EssayNovember 16, 1995 Hundreds of thousands of times a year a single-celled zygote, smaller than a grain of sand, transforms into an amazingly complex network of cells, a newborn infant. Through cellular differentiation and growth, this process is ... Read More

What Is Acid Rain? (308 words, 1 pages)

Acid Rain is, rain that is acidic (naturally). There is a pH level scale which tells if something is acidic or not. Due to certain chemicals in the rain it has a pH level of around 5.0, and sometimes even 4.0 (around volcanoes activity). The term acid rain is now ... Read More

A Critique of F. H. Bradley’s The Unreality of Space and Time (1435 words, 2 pages)

Critique of Bradley's Space and Time Essay CRITIQUING BRADLEYi9efa03e43bDescription This paper critiques Bradley's arguments in his writing 'The Unreality of Space and Time.' This paper argues against Bradley's position using all logical methods necessary.i9efa03e43bCritiquing Bradley In his article, The Unreality of Space and Time, F. H. Bradley argues that space ... Read More

An Essay on Cosmology Theories (1469 words, 3 pages)

Cosmology Theory COSMOLOGY, THEORIESThe twentieth century has seen cosmology transformed from metaphysics into a branch of physics, and the laws governing fundamental forces and elementary particles have been wedded to astronomical observations to produce a description of the past and present states of the visible universe. Prior to the creation ... Read More

Biology Essay Examples