Cystic fibrosis is a human disease caused by an autosomal recessive mutation. About 1 in 22 people in the human population are heterozygous carriers and have no symptoms of the disease. A woman who has a brother with CF marries a man who has no history of CF in his […]

Biology Discussion Question WATER PRESSURE (read pages 35-46) http://www.nxtbook.com/nxtbooks/ngsp/learningreader_green/index.php#/40 Answer the following questions, keep it brief. Tell me what the issue is in the reading, what is being done to help the issue, and what you personally can do to help the issue. Make sure you answer the questions completely […]

1. Transformation, conjugation, and transduction were discovered in the laboratory. How important are these mechanisms of genetic recombination in nature? 2. What is the process of DNA fingerprinting, and how is electrophoresis used in criminal forensics? 3. How can plasmids be used to manufacture proteins such as insulin for diabetic […]

Q. A standard procedure in purifying tubulin is to extract tissue on ice, after that add GTP and warm the tissue extract to 37°C. The warmed extract is next centrifuged at a speed insufficient to pellet average sized proteins, but enough to pellet large protein complexes. After centrifugation, the supernatant […]