Biology Essays Examples For College & High School Students in PDF

10822 total results

Characteristics of The Constellation Scorpius (627 words, 2 pages)

The Constellation Scorpius - The Scorpion SCORPIUS M-4 - Lying about 1.5 degrees due west of Antares, this large globular cluster is both easily found, and a treat to observe. It is large, about 15' in diameter and is rather loosely concentrated, letting us resolve its individual stars rather easily. ... Read More

An Introduction to the History of Space Exploration (2729 words, 5 pages)

One of the most amazing endeavors man has ever undertaken is the exploration of space. A big part of the amazement is the complexity. Space exploration is complicated because there are so many interesting problems to solve and obstacles to overcome. You have things like The vacuum of space Heat ... Read More

Renewable Energy Sources Should Be Used in United States (1081 words, 2 pages)

Renewables, the Energy Source for Americas Future When many people thing of the United States, they envision a land of freedom, prosperity, and wealth. However, environmentalists see a different land, one containing six percent of the worlds population, and yet producing twenty-five percent of the worlds pollution. This is because ... Read More

The Understanding of Reality (531 words, 1 pages)

Many scientists, and also common people, have tried to find out what reality is. And when they reached a conclusion, they tried to explain it to us in the most understandable way possible. In any common dictionary we can find the word reality explained as the quality of being real, ... Read More

Rates of Reaction Between Magnesium and Hydrochloric Acid When Using Different Concentrations (542 words, 1 pages)

Rates of reaction between magnesium and hydrochloric acid when using different concentrations One way of making the reaction between magnesium and hydrochloric acid more effective or less effective would be to use higher or lower concentrations of either the magnesium or hydrochloric acid. Temperature and surface area can also make ... Read More

A History of X-Ray and X-Ray Protection (2320 words, 4 pages)

The science and art of radiation protection or health physics grew out of the discoveries of x-rays and radioactivity near the end of the nineteenth century. The x-ray, discovered by German physicist Wilhelm Konrad Roentgen in 1895, was reported to the world shortly after the first of the year in ... Read More

Quarks: A Tiny Fundamental Particle of Everything Around Us (848 words, 2 pages)

Quarks Quarks are curious things. I found them very interesting. I guess I can start at the beginning The first question would be What are quarks? Wellthey are and group of elementary particles that are basic constituents of all hadrons. Well, thats a great question for a physicist. Not for ... Read More

Characteristics of Prions and the Diseases They Cause (1715 words, 3 pages)

PRIONS Prions have been a mistery for scientists from the day they where discovered. Prions act like viruses but they are not. Their structure and chemistry are unknown. They are believed to be proteins but that is yet to be completely proved. Prion stands for proteinaceous infectious particles. Prions are ... Read More

An Overview of Explosive Formulas (10946 words, 11 pages)

EXPLOSIVE FORMULAS Once again, persons reading this material should never attempt to produce any of the explosives described here. It is illegal and extremely dangerous to do so. Loss of life and limbs could easily result from a failed (or successful) attempt to produce any explosives or hazardous chemicals. These ... Read More

A Discussion about Cloning People (1885 words, 3 pages)

According to the American Heritage Dictionary, cloning is to make multiple identical copies of a DNA sequence, to reproduce or propagate asexually. A clone is a group of genetically identical cells descended from a single common ancestor, such as a bacterial colony whose members arose from a single original cell ... Read More

The Esophagus in the Digestive System (378 words, 1 pages)

-The esophagus is in the digestive system. -The esophagus is a muscular tube which carries food and liquids from the throat to the stomach for digestion after it has been chewed and softened in the mouth. -It is about 25 cm long and 2.5 cm across. -Food is forced downward ... Read More

Spain Credited for Discovery of Platinum Due to Detailed Report of Don Antonio De Ulloa (933 words, 2 pages)

Platinum, symbol Pt, is a relatively rare, metallic element that is more expensive than gold. The atomic number of platinum is 78. Platinum is one of the transition elements in group 10 of the periodic table. Platinum is the most important of the group of elements called platinum metals. Also ... Read More

Facts about Plastics (359 words, 2 pages)

Plastics by the Numbers Extra Credit Lab This is almost the exact lab from your online site. I typed my lab up this way so its more clear and easier to read. Purpose h To describe some of the major plastic resins and their uses h To compare and contrast ... Read More

The Methods of Controlling the Pest Population (803 words, 2 pages)

With the ever-increasing problem of pest control, it is clear that some form biological must be implemented in order to help farmers. This biological control must be able to effectively control the pest population, this means not killing them but rather never letting the pest populations get too large. Through ... Read More

The Physics of Launching an Ultra-Light Fishing Line (329 words, 1 pages)

The Physics of Fly-fishin What does it take to launch an ultra-light fishing line over 200 feet? A little physics and a lot of feel for the fishing rod, thats what. The trick to doing good is to have the thinner, end of the line, land on the water first ... Read More

Science – in Every Corner of Our Life and Daily Activities (415 words, 1 pages)

When I was a young student I never thought of science as being significant enough to have a personal philosophy on the subject. However as a future teacher I have realized that it is a subject of great importance which needs to be contemplated. When I began to think about ... Read More

The Benefits Behind Genetic Engineering (1414 words, 4 pages)

Patenting People The Benefits Behind Genetic Engineering Patenting People Genetic engineering is new breakthrough technology concerning many ethical, legal, and social standpoints that influence people different ways. Genetic engineering is the term that applies to techniques used to alter or combine genes in a organism. Cells of all living organisms ... Read More

Nicolaus Copernicus Faced by Paradigm When He Formulated the Earth Is Not the Universe’s Center (906 words, 2 pages)

Paradigm - the unwritten rules in which we literally govern our lives with. When these rules are broken or violated we become uncomfortable. It is the need of every human being on earth to have direction and order. Without direction and order we find ourselves lost, confused, and even helpless. ... Read More

The Work of Great Astronomers and Their Influence on Sience (1244 words, 2 pages)

The human conceptualization of the solar system dates back to the beginning of time. The early Egyptians worshipped the sun as a source of life and then the area called space was becoming a curiosity to humans. Throughout history, our knowledge of the solar system has increased and there is ... Read More

The Placement and Characteristics of the Orion Constellation (739 words, 1 pages)

Orion "Down fell the red skin of the lion Into the river at his feet. His mighty club no longer beat The forehead of the bull but he Reeled as of yore beside the sea, When blinded by Oenopion He sought the blacksmith at his forge, And climbing up the ... Read More

The Types of Optical Telescopes (519 words, 1 pages)

Optical Telescopes The telescope is a device that permits distant and faint objects to be viewed as if they were much brighter and closer to the observer. Most telescopes work by collecting and magnifying visible light that is given off by stars or reflected from the surface of planets. Such ... Read More

Advantages and Disadvantages of Using Olestra as a Product Supporting Weight Loss (749 words, 1 pages)

The discovery of olestra seem to be the answer almost everyone has bee looking for when dealing with fats. This new substance was to be used to make many oil made products without the fat content of what was being used today. The most incredible outcome of this product, is ... Read More

A Discussion of Oceans in Motion (309 words, 1 pages)

oceans in motion Anyone who as ever been in or around the oceans know that they are in constant motion. Currents, waves and tides cause this motion. All these motions have vital effects on the sea. The motion in the ocean is caused mainly by one of three ways. This ... Read More

The Issue of Desposing of Nuclear Wastes (1093 words, 3 pages)

'There is 10 thousand tons of nuclear waste on Earth.' Many scientist are in search for new and efficient ways to dispose of these lethal by-products which can destroy life itself. Radioactive products can be either beneficial or devastating. It all depends on how we use them. In the field ... Read More

New Basic Particles Called Quarks May Be Discovered Using Particle Accelerators (251 words, 1 pages)

New Basic Particle Scientists around the world have conducted experiments using particle accelerators that hint at the discovery of not only a new particle but also a new force. These particles, called quarks, are said to make up the structure of protons, neutrons, and other related particles. Scientists have never ... Read More

A Discussion of a Biological Mutation (731 words, 1 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

Curiosity Led to Inventing a Better Way of Life (1018 words, 2 pages)

Necessity is the mother of invention or is it? The real mother of invention is not necessity, but curiosity. From the discovery of electricity, the invention of the light bulb, car, airplane, and air conditioning to Global Positioning Satellite systems curiosity has been the reason behind the invention. One of ... Read More

An Argument in Favor of Mitochondria Research (603 words, 1 pages)

Mitochondria are the powerhouse of the cell. Their sole responsibility is to provide energy for the cell. They do this by synthesizing a molecule known as ATP, which the cell uses as energy. Mitochondria are different from the rest of the cell organelles because they contain their own DNA outside ... Read More

The Differences Between a Light and Electron Microscope (428 words, 1 pages)

Compare and contrast the differences between a light and electron microscope Although the theory between an optical and electron microscope is similar, the results that can be achieved vary tremendously. This is due to several factors but the most important of these being the resolution it is possible to achieve ... Read More

Types, Characteristics and Use of Proteases (7340 words, 11 pages)

Introduction Proteases are the single class of enzymes which occupy a pivotal position with respect to their applications in both physiological and commercial fields. Proteolytic enzymes catalyze the cleavage of peptide bonds in other proteins. Proteases are degradative enzymes which catalyze the total hydrolysis of proteins. Advances in analytical techniques ... Read More

Biology Essay Examples