Biology Essays Examples For College & High School Students in PDF

10822 total results

An Overview of the Diffusion and the Fluid Mosaic Model for the Biochemical Anatomy (230 words, 1 pages)

The membrane has a double lipid layer through which fat- soluble substances will move, by passive transport or diffusion. The molecules will only move through if they are small enough. There are globular protein regions, which are hydrophilic. These regions allow water and water soluble substances through, but only if ... Read More

A Description of the Earth’s Place in Space (219 words, 1 pages)

The Earth's Place In Space Despite its own special conditions,the Earthis in some ways similar to the other inner planets the group of planetsnearer to the sun.Of these planets,Mercury is the closest to the sunVenusis secondthe Earth is third and Mars is fourth.All of these planets,including the Earth,are basically balls ... Read More

Understanding the Concept of of Mitchell Feigenbaum’s Chaos Theory (2346 words, 4 pages)

Where chaos begins, classical science ends. Ever since physicists inquired into the laws of nature, they began to explore the irregular side of nature, the erratic and discontinuous side, which has always puzzled scientists. They did not attempt to understand disorder in the atmosphere, the turbulent sea, the oscillations of ... Read More

The Greek Concept of Atomos, the Atom (1451 words, 4 pages)

The Greek concept of atomos the atomAround 440 BC leucippus of Miletus originated the atom concept. He and his pupil, Democritus of abdera refined it for future use. Their atomic idea has five major points. All original writings of leucippus and Democritus are lost. The only sources we have for ... Read More

The Main Characteristics of Stars (1042 words, 2 pages)

STARSA star is a large celestial body composed of gravitationally contained hot gases giving off electromagnetic radiation, especially light. The sun is actually a star. Unlike the sun the stars seem to be fixed, but in fact stars are in rapid motion, but their distances are so great no relative ... Read More

The Main Characteristics of Starch and Issues Related to It (1390 words, 3 pages)

Starch is a white, granular, organic chemical that is produced by all green plants. Starch is a soft, white, tasteless powder that is insoluble in cold water, alcohol, or other solvents. The basic chemical formula of the starch molecule is (C6H10O5)n. The simplest form of starch is the linear polymer ... Read More

A Discussion of the Uses of Spectrophotometry (1171 words, 2 pages)

The purpose of this lab experiment is to understand the uses of spectrophotometry. This experiment concentrates on the uses of the spectrophotometer, and using this instrument to specifically determine the absorption spectrum of a cobalt chloride solution, a galactose solution, and to determine an unknown concentration of a galactose solution.Modern ... Read More

An Analysis of Sound as Part of Our Everyday Lives (1302 words, 2 pages)

Sound is part of our everyday lives. Just like we have eyes for, we are given ears for hearing sound. We rarely take the time to think about the characteristics of sound and the ways that they are made. The basis for an understanding of sound and hearing is the ... Read More

The Main Features and Advantages of the Silicon Solar Cell (1130 words, 2 pages)

Solar 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 in use today. They do not pollute the atmosphere and they leave ... Read More

A Description of Soil, Superficial Covering of Most of the Earth’s Land Area (816 words, 2 pages)

Soil, superficial covering of most of the earths land area an aggregation of unconsolidated mineral and organic particles produced by the combined action of wind, water, and organic decay. Soils vary widely from place to place. The chemical composition and physical structure of the soil at any given location are ... Read More

An Analysis of the Investigating the Rate of Reaction Between Marble Chips (1196 words, 6 pages)

Investigating the Rate of Reaction Between Marble Chips Safety- must always wear safety glasses and we should be very careful not to drop any acid. Fair test- we must make sure that we use the same size, amount and roughly the same mass of chips, this is because we want ... Read More

A Discussion of the Issues Related to Reproductive Technology (2073 words, 4 pages)

Technological development and the advancement of science constantly raises new political and legal challenges. We must promote scientific development, but at the same time we must also impose restrictions involving certain human and social values. Reproductive technology is one of the best examples of the challenges posed by the development ... Read More

An Introduction to Pyrotechnics (489 words, 1 pages)

Pyrotechnics is defined as the art of making and using fireworks. Some consider fireworks dangerous, obnoxious bursts of noise others consider them beautiful, artful displays of light. Either way you look at it, pyrotechnics is an interesting and dangerous hobby. Many colors and designs may be created by the placement ... Read More

The Positive Effects of Gene Altering (1400 words, 2 pages)

The Positive Effects of Gene AlteringSince the beginning of the human race, we have been looking. We have been looking for ways to make our lives healthier, more comfortable, and happier. In the beginning it was simple rocks, plants, and fires. As our technology advanced so did the comfort of ... Read More

An Analysis of Antonio De Ulloa Discovered Platinum in South America in 1735 and By Wood in 1741 (208 words, 1 pages)

Antonio de Ulloa discovered platinum in South America in 1735 and by Wood in 1741. Platinum is a silver-white metal that holds even more value then gold. Its atomic number is 78 and its mass is 195.08. It is also one of the heaviest metals. It is a transition metal ... Read More

An Analysis of One of the Most Significant, Influential and Controversial Publications in History (396 words, 1 pages)

Considered one of the most significant, influential, and controversial publications in history, this book, I felt would be interesting to read and learn from. Although his content in this particular book is the subject of much controversy, Darwin's proffesional contributions and accomplishments will remain well known and respected. Therefore, I ... Read More

An Analysis of the Study of Origins (2290 words, 5 pages)

To help us with our study of origins, we will use two main sources the Bible as Gods direct revelation of life, and science a way to interpret the Bible using scientific knowledge. In his book Biology Through the Eyes of Faith, R.T. Wright (1989) states It is an important ... Read More

An Overview of the Potential for Accidents of Unstable Nuclear Plants (1094 words, 5 pages)

Today in our energy hungry world, the reliance on nuclear power is getting larger and larger. Nuclear power is on top of the list of forms of power available to generate electricity in the quantities, forms and reliability needed as we head towards the 21st century. Current operating nuclear plants ... Read More

An Analysis of the Question of Energy Use in the World and the Role of Bertram Wolf (508 words, 1 pages)

The question of energy use in the world is one which posses many conflicting views. There are so many different arguments that my personal view is one that changes with every article I read. In the most recent readings regarding nuclear power and its pros and cons I have been ... Read More

An Analysis of the Measurement of Nuclear and Electron Magnetic Resonance on Bulk Materials By Felix Bloch and Edward Purcell (527 words, 1 pages)

The measurement of nuclear and electron magnetic resonance on bulk materials was made possible by Felix Bloch and Edward Purcell and in 1952 they shared the Nobel Prize in Physics for their work. Until then, magnetic resonance was a measurable phenomena in which atoms were shot through a magnet as ... Read More

An Analysis of the Principle of Superposition and the Unchanged Consecution of the Rock (2327 words, 5 pages)

In addition to various bits of information, there are 3 primary principles geologists use to place layers of rock according to age. The first, Principle of Superposition is the un-changed consecution of the rock, which contains the oldest stratum (a single sedimentary rock) located in the bottom of the rock. ... Read More

An Analysis of Nitrogen Fixation and the Types of Nitrogen Fixing Bacteria (1063 words, 3 pages)

Clover, growth rate, inoculation with Nitrogen fixing bacteria in Nitrogen deficient conditionsNitrogen Fixation was proved to increase the growth of clover plants over a ten-week experiment in Nitrogen deficient conditions. The Hypothesis was proved correct with no difficulties encountered.Nitrogen is approximately 78 (volume) of dry air. It is present in ... Read More

An Analysis of the Bacteria Myococcus Xanthus in the Microbiological Research (537 words, 1 pages)

The bacteria Myxococcus Xanthus is a decomposer that moves and forms fruiting bodies to reproduce. These fruiting bodies are mounds that grow into mushroom cloud like bodies, where cells differentiate on the inside to form small spores that are heat and desiccation resistant. In her discussion of Myxococcus Xanthus, Dr. ... Read More

An Overview of the Principles of Mitosis and Meiosis (216 words, 1 pages)

Mitosis and Meiosis are alike in many ways essentially they are both forms of cellular reproduction. Both go through similar cellular division stages. Interphase, Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis all occur in both Mitosis and Meiosis. Within each stage there are many similarities as well. In Prophase the cell ... Read More

An Analysis of the Mechanical Energy in Jet Aircraft Use and the Modern Research of Technological Advancements (511 words, 1 pages)

MECHANICAL ENERGY Have you ever wondered how a jet aircraft lifts its tremendous weight off the ground, or what gives a runner the stamina to reach the finish line in a race? In order to answer all these questions we must talk about the transformation of one sort of energy ... Read More

How Static Electricity Is Generated and Used (1704 words, 3 pages)

Lightning is a discharge of static electricity in the atmosphere, which causes a bright flash of light. When lighting goes through the air, it heats the air to degrees hotter than the sun's surface about 50,000 degrees fahrenheit. This heating causes the air to expand and contract. This causes the ... Read More

An Analysis of the Theories of How Life on Earth Began (545 words, 1 pages)

Sometime during our lives, we've questioned ourselves at one point just how long has the earth existed and how did life begin? Our Biology book written by Solomon, Berg, and Martin, shows theories that has taught us that earth is approximately 4.6 billion years old, and the earliest pieces of ... Read More

A Study of the Characteristics of the Inclined Plane (296 words, 1 pages)

12.3 Investigation Using the Inclined Plane to Do WorkTo study the characteristics of the inclined planeI believe that as the angle of the inclined plane decreases towards zero, the work required to lift the object up the board will become easier. ring stand, support rod, and clamp1. Lay the inclined ... Read More

A Look at the Biological and Cultural Development of Humans Through Evolution (3054 words, 13 pages)

Human evolution is the biological and cultural development of humans. Ahuman is any member of the species Homo sapiens, meaning wise man. Since atleast the Upper Paleolithic era, some 40,000 years ago, every human society hasdevised a creation myth to explain how humans came to be. Creation myths are basedon ... Read More

An Analysis of the Chlorophyll as the Green Pigment Inside of Plants That Give Them Their Characteristic Green Color (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

Biology Essay Examples