Biology Essays and Term Papers

common form of skin cancer, and any cancer as well. It affects 800,000 Americans every year. Basal cell carcinoma is often referred to as BCC. BCC is caused mostly by exposure to sunlight. The head, face, ears, and backs of hands are the most…

in medicine are discovered. With these new developments serious ethical and moral questions arise. Advancements in genetic engineering, reproductive technologies, cloning, organ transplanting, and human experimentation are all causes of concern. …

animals. The many theories of evolution such as Darwin's theory of evolution prove to us that we choose to believe that we are not animals when we really are. Evolution is the sequencial process of change over periods of time, which shapes and establishe…

scientists, lawyers, historians, and ethicists who gathered here last month at the Asilomar Conference Center near Monterey to mark the 25th anniversary of that historic meeting. In February 1975, 140 participants--mostly biologists, with a handful…

number: 2029474 PARAMETERS AFFECTING MACROINVERTEBRATES DISTRIBUTION IN FRESHWATER Aquatic macroinvertebrates are an important part of the food chain, especially for fish.…

area on the rate of reaction. Background information: Hydrogen peroxide is a chemical that consists of hydrogen and oxygen. Its chemical formula is H O . It is a colourless, syrupy liquid that has a sharp odour. It is unstable. Peroxidase is an…

of melanocytes. It is a very serious form of skin cancer (melanoma.com). Melanoma accounts for only four percent of all skin cancer cases but it causes the most cancer related deaths. It starts in skin cells called melanocytes, which produce…

source of energy in the human body, and is the only source of energy for the brain. The glucose is transported all over the body via the blood plasma and if there is too much present it is stored in the kidneys as glycogen (polysaccharide carbohydrate). …

the concetration of glucose in the cell sap of a potato cell by weighing the samples of potato before and after soaking them in a concetrated glucose solution. I predict, that the stronger the solution of glucose, the more weight the piece of potato…

discussed vividly today. David Suzuki, author of "From Naked Ape to Superspecies", develops on the negative side of these organisms. "Horizontal gene transfer, the tool on which biotechnology is built, can also happen in nature, but very rarely. It's…