The CCR5-Delta 32 Genetic Mutation and Human Evolution - published: 27/11/2007
Essay - 2 pages - Biology
Genetic mutations are not uncommon. They can happen for a variety of reasons and have a variety of effects. Those with negative effects are weeded out by natural selection, and those with positive effects prevail and are accumulated due to natural selection. These mutations can be caused by a...
Venomous Lizards
Essay - 2 pages - Biology
The two venomous lizards of the world are impressive creatures about which much misinformation has been spread for centuries. They have been thought to possess supernatural features such as poisonous breath, a stinging tail and the ability to spit their venom. The Gila monster (Heloderma...
Not 'To Study or Not to Study,' But How?
Essay - 5 pages - Biology
To highlight what constitutes the foundation of Man, anthropologists, ethnographers, and theologians like Jonathan Smith, Claude Lévi-Strauss, and Clifford Geertz constantly study “savage” societies, societies very different from our own. Scholars endlessly debate which characteristics...
Lab Report: Fermentation
Essay - 2 pages - Biology
Fermentation is the anaerobic conversion of sugar to carbon dioxide and alcohol by yeast. It uses the NADH produced by glycolysis and “regenerates” more NAD+ which is then again used by glycolysis. The process of Alcohol fermentation is the one we will be focusing on. In this process...
Life vs. Politics
Essay - 4 pages - Biology
Thousands of years ago, before the thought of a cell had ever crossed anybody's mind, man revolutionized society with advances such as fire, the wheel, irrigation and the telescope. Man has now arrived at the next step, shall we say “the wheel” of our lifetime, stem cells and in...
DNA I & II
Essay - 2 pages - Biology
DNA technology is vital to our technological progress as a society. Without such things as gene therapy which is part of DNA technology many medical feats would not have been accomplished. DNA manipulation is used in many aspects of life, ranging from farms to hospitals and the gene cloning we...
Effects of Decreasing pH on Freshwater Ecosystems Inhabited by Snails and Salvinia
Essay - 3 pages - Biology
The ecosystem of a freshwater lake, stream, and river is greatly influenced by the environment it is in. Temperature, light, nutrients, rainfall amounts, species composition and organic or inorganic pollutant levels all differ from lake to lake, depending on the circumstances of their...
Cardiovascular lab report focusing on Amphibian Heart
Essay - 5 pages - Biology
The heart is an integral part of the cardiovascular system in the body of vertebrates. It provides the pressure needed for the blood to be pumped to different parts of the body. The heart maintains the flow of blood throughout the whole cardiovascular system. This in turn allows all the separate...
The Effect of Benzodiazepine Drugs on the GABA(A) Receptor
Essay - 4 pages - Biology
The GABA(A) receptor plays a vital role in the mammalian brain and is responsible for a large majority of inhibitory neurotransmissions in the central nervous system (Perrine 144). The GABA(A) receptor is a member of the ionotropic (ligand gated) family of receptors that uses GABA, otherwise...
Structural Explanation of The paradox between High Permeability and High Conductance in a Potassium Channel
Essay - 3 pages - Biology
The human body is a fascinating array of mechanisms, each perfectly sculpted to satisfy its role in the ever changing needs of our physiology. The various systems within us each rely on impulses, sent via the central or peripheral nervous systems, to coordinate everything from breathing to...
Osmolarity
Essay - 10 pages - Biology
One of the most fascinating systems of a cell or an organism is the way it deals with water. Every living needs water to survive and manages the intake of this precious resource differently. Water diffuses through a selectively permeable membrane within a cell by the process of osmosis (Campbell,...
Effects of Allelopathic Agent on Plant Growth
Essay - 3 pages - Biology
The experiment that was performed these past few weeks involved measuring the relative growth of a soybean plant that was planted based on how much allelopathic agent we used. Allelopathic interactions are very widespread in nature, and they are important factors in the mechanisms of the...
Effects of Gibberellins on Flowering in Grasses
Essay - 3 pages - Biology
For years, man has been trying to find a single chemical that triggers flowering in plants. Although this single chemical has not been found, several of the Gibberellins show promising results as an active florigen - such as GA5 and GA6 and possibly GA1 and GA4. Results have shown that these...
The Invasion of Bacillus
Essay - 2 pages - Biology
Beep… beep… click… click … this just in: A pandemic breakout of unheard of proportions. Is it anthrax? Or clostridia? It could be, but authorities believe the culprit is Bacillus cereus (49133). B. cereus is a cousin strain to both Bacillus anthracis (anthrax) and Clostridia...
