Biology Essays Examples For College & High School Students in PDF

10822 total results

An Analysis of Solar Cells in Human (553 words, 1 pages)

Sleep to humans is what the sun is to solar cells. A good eight hour sleep can leave us refreshed and ready to take on a new day. I used to take sleep and being able to sleep effortlessly for granted until I came across the problem my husband was ... Read More

The Composition and Functions of the Mitochondrion’s Structures (1194 words, 2 pages)

Mitochondrion is a long and oval shaped organelle ranging from 1 to 4 micrometers in length and from 0.2 to 1.0 micrometers in diameter. It is rod-shaped and is enclosed in two membranes inner and outer membranes. Both membranes are composed of proteins and phospholipids. There exists a space between ... Read More

An Analysis of Body (370 words, 1 pages)

The body is made of a variety of systems that work harmoniously together to help the body work efficiently. One of these systems is the digestive system. The digestive system is made up of the digestive tract. This is represented by a hollow tube running from the mouth to the ... Read More

An Analysis of the Evolution of Natural Populations (829 words, 2 pages)

Evolution refers to change over time in the genetic composition of natural populations. Natural selection plays a vital role in adding adaptation, accumulation and preservation to the new desired genetic states. The accumulation of small but observable micro evolutionary changes necessary for the development of new species occurs over a ... Read More

An Analysis of Temperature (1544 words, 3 pages)

Temperature has an important effect on almost all the physiological processes that occur in animals, which rely on external sources of heat (Warburg 1931). Such animals are also known as ectotherms, and Porcellio scaber is an excellent example. In an attempt to ascertain the interaction between the response of ectoderms ... Read More

The Reactions That Affect the Formation of Blood Clots (927 words, 2 pages)

Thromboembolic impediment to the chief constituents of the circulation system, namely venous, arterial, and intravascular surfaces, may lead to untimely death as well as disability of an individual. One of the drugs utilized in a lot of the thromboembolism-related conditions is heparin. Heparin Sodium Injection is a germ-free, non-pyrogenic substance ... Read More

The Phases of the Cell Cycle of Humans (958 words, 3 pages)

1) Briefly describe all phases of the cell cycle and tell what happens in each.a) Interphase G1 phase, S phase, G2 phaseG1- the size of the cells increases, synthesize proteins and produce RNA. The DNA synthesis is also enhanced.S phase- the replication of DNA takes place which produces the two ... Read More

An Analysis of Hypothesis (1149 words, 3 pages)

chat.onload(function(chats, online) var link ("content1chatid") link.onclick function(e) chat.openrandom(0) return false ) chat.onupdate(function(chats, online) )Hypothesis As the surrounding temperature increases, the photosynthesis rate increases up to a point where further increase in temperature results in a rapid decline in the photosynthesis rate.Photosynthesis is a process through which green plants and other ... Read More

The Use of DNA Profiling in the Night Stalker’s Case (1072 words, 2 pages)

Over the course of time, DNA profiling has been proven to be a useful tool in as far as criminal investigations are concerned. The success of DNA aiding in the conviction of a criminal in a court of law, however, depends on a number of factors. For starters, the evidence ... Read More

The Different Skin Tones and Recommended Types of Makeup (603 words, 2 pages)

Skin tone simply refers to the color of the skin. This is determined by the amount of melanin the skin contains. Diverse skin tones require different levels of care due to their differences in the amount of melanin, especially when it comes to outdoors. This paper will briefly discuss about ... Read More

The Differences Between the Right and Left Hemisphere (1504 words, 2 pages)

The brain consists of the right and the left hemispheres. These are quite different in relation to how the brain processes information. In each and every person, there exists a dominant hemisphere which controls and carries out most of the brains activities. However, there is a consensus that both the ... Read More

The Sexual Development of Children and Adolescents (1193 words, 3 pages)

chat.onload(function(chats, online) var link ("content1chatid") link.onclick function(e) chat.openrandom(0) return false ) chat.onupdate(function(chats, online) )Many people do not understand that everyone infants, children, youths, adults, and the old are all sexual beings (Gale, Thompson Moran 2005). Some think that sexual involvements are only set aside for early and middle age people. ... Read More

An Analysis of Birth Order in person (1031 words, 2 pages)

Birth order is defined as how a person ranks by age among his or her siblings. This is determined by how parents decide to separate their children. Birth order has been heavily linked with the psychological development of individuals. Many theories have been researching to relate birth order and personality ... Read More

The Significance of Penis Size for Female Stimulation (672 words, 1 pages)

Question 1Many beliefs have indicated that both male and female should reach orgasm at the same time, failure to which the partner, who does not, deemed as never able to reach orgasm. This can be seen from such researches as the Masters and Johnsons, which argue that the sexual response ... Read More

An Analysis of Messenger RNA (683 words, 3 pages)

chat.onload(function(chats, online) var link ("content1chatid") link.onclick function(e) chat.openrandom(0) return false ) chat.onupdate(function(chats, online) )Translation refers to the process through which messenger RNA is translated into protein(Nair 2004). This does take place through the following steps Initiation, Elongation and termination. This paper will discuss the process of elongation of poly peptides.Elongation ... Read More

The Stages and Special Conditions Needed for Photosynthesis (358 words, 1 pages)

IntroductionPhotosynthesis refers to a complex process whereby sunlight is used in making glucose, which is a sugar that is important for the survival of a plant. Therefore, photosynthesis is a food making process through which all plants and some other consumers make use of solar energy (photon energy) to produce ... Read More

An Analysis of Sex Chromosomes and Sex Determination in Mammals (1338 words, 4 pages)

chat.onload(function(chats, online) var link ("content1chatid") link.onclick function(e) chat.openrandom(0) return false ) chat.onupdate(function(chats, online) )Sex chromosomes and sex determination in weird mammals, according to Jennifer Marshall Graves1. Why did you select this article or topic? What made it seems like it might be interesting?The article Sex chromosomes and sex determination in ... Read More

An Analysis of the Evolution of Organisms (652 words, 1 pages)

The evolution of organisms over the ages has seen transformations from ancestral to more advanced forms. As much as most of the ancestral traits are retained, gradual modification and supplementation with new traits have led to improved living standards in their current environment. The study of organisms phylogeny aids in ... Read More

The Evolution Towards Photosynthesis (1114 words, 2 pages)

IntroductionThe process by which organisms such as some bacteria, green plants and some protistans convert sunlight's energy to produce cellular sugar is known as photosynthesis. Due the process, cellular respiration takes place converting sugar into ATP, which is the fuel used by living organisms for survival (Cramer, 2004). The process ... Read More

A Study of Cells and Photosynthesis (326 words, 1 pages)

Cells are the basic unit of life. All living organisms, be it plant or animal, consist of cells that are of different structures and function. Both entities have basically the same cellular components but some differences are present which makes function of animal cells different from plant cells. Both have ... Read More

Facts on Active Transportation (1624 words, 4 pages)

chat.onload(function(chats, online) var link ("content1chatid") link.onclick function(e) chat.openrandom(0) return false ) chat.onupdate(function(chats, online) )Though exceptionally minute, cells are the most vital unit that is essential for some processes to occur within the body. These processes are very important in the development and growth may it of a plant or an ... Read More

An Analysis of Molecular Cloning Experiment (1330 words, 2 pages)

In a molecular cloning experiment to determine the absence or presence of bacterial colonies on two plates, several observations were noted. The objective of this experiment was to transform a strain of bacteria, in this case, competent E. coli that had no antibiotic resistance through the insertion of DNA comprising ... Read More

A Study of Mitosis (693 words, 3 pages)

chat.onload(function(chats, online) var link ("content1chatid") link.onclick function(e) chat.openrandom(0) return false ) chat.onupdate(function(chats, online) )Mitosis is defined as the process by which the nucleus and the cytoplasm in the cell divide itself.Types of mitosisAccording to Baileys (2005), this is the stage that refers to all the stages within the cell other ... Read More

A Research on Neurons (1203 words, 2 pages)

NeuronsNeurons are nerve cells that are in relation to neuroglial cells comprise nerve tissues that make up the nerve system. As a result, the neuron is a vital organ in the bodies of both animals and human beings. The neuron is functional due to the various organs which comprise of ... Read More

A Research on Fermentation of Foods (1053 words, 2 pages)

IntroductionMicroorganisms are very important to human life in not only sustaining life but also improving the health of the whole community. Fermented foods arise due to the relationship of human beings to the environment of microorganisms (Doelle, 2007). Bacteria and yeasts help in production of cheese, yogurt, bread and beer ... Read More

An Analysis of LOng Non-Coding RNAs (1069 words, 2 pages)

Long Non-coding RNAs are considered to be non-protein coding transcripts which are longer than two hundred nucleotides. These long non-coding are known to include both long IncRNA and Long ncRNAs. In Lima-De-Farias Molecular Geometry of Body Pattern in Birds, the author discusses how the unexpected patterns which are displayed by ... Read More

A Study of Cells (683 words, 1 pages)

The bodies of all animals and plants are made up of tiny microscopic units called cells. These make up the structure of the organism and are responsible for carrying out the various processes characteristic of the organism. Some organisms are composed of only one cell and are referred to as ... Read More

A Study of the Coral Reefs (1129 words, 2 pages)

In the study of vertebrates, fish in coral reefs stand out to be under enormous threats from different human activities. The massive threat has led to a deeper investigation of the dynamic ecological issues that lead to the diversity in dispersion of coral reefs. The difference is caused by the ... Read More

A Research on Cloning (1649 words, 2 pages)

Cloning is a biological process which involves the production of new similar populations of genetic individuals which are very identical to the original individuals which naturally occurs in organisms like insects, plants, and bacteria which in most cases reproduce asexually. The biotechnological definition of cloning is a process which is ... Read More

A Research on Genetics Testing (980 words, 2 pages)

Testing positive for any potentially life changing ailments can have a great impact on the aspects of an individuals life. For instance, testing positive will greatly impact on such an individuals ability in getting disability and life insurance, personal relationships, decisions to have children, employment among others. Genetic testing has ... Read More

Biology Essay Examples