Category: Biology

Tumor-Stroma Interaction – Biology Research Paper Abstract Matrix metalloproteinases (MMPs) are metal-dependent endopeptidases that play pivotal roles in tumor disease progression. In many solid tumors, MMPs are indeed produced by tumor stromal cells, rather than by tumor cells. This expression pattern is, at least in part, regulated by tumor-stroma interaction via tumor cell-associated extracellular matrix…

Environmental Ethics and Policy Essay – Biology Research Paper(200 Level Course) Determining a comprehensive, all-inclusive environmental ethic is no easy task. Human interests, desires, and consciences are hard to accommodate, considering that all vary with the individual. And according to world statistics, there are over six billion of us, each with a different experience of…

Determining Protein Concentrations of Unknown Solutions: The Biuret Protein Assay – Biology Research Paper Abstract This report details the use of the Biuret Method of protein assay to determine the protein concentrations of two unknown solutions. To determine the protein concentrations of the unknowns, six solutions with known protein concentrations were passed through the spectrophotometer…

Infectious Hepatitis Essay – Biology Research Paper(100 Level Course) Hepatitis is an inflammation of the liver. Inflammation usually produces swelling, tenderness, and sometimes permanent damage. Hepatitis is caused by a number of things including alcohol, drugs, chemicals, and viral infections. If the inflammation of the liver continues at least six months or longer, it is…

Cloning was introduced in 1997 by a group of scientists at the Roslin Institute in Scotland. Their successful clone of the sheep “Dolly” thrust them and the topic of cloning onto the national scene. Unfortunately a great deal of people believed that cloning was morally wrong, and it shouldn’t be performed under any circumstances. Ever…