Q. A student designs an experiment to create an alcohol known as butanol. She mixes a species of Clostridium bacteria known to produce this alcohol as a by-product of its metabolism with a broth of water and glucose in excess, and incubates the mixture in constant darkness without any oxygen. […]

Q. Once you isolate the cDNA for the receptor involved in mediating heart contraction, you sub-clone receptor cDNA into an expression plasmids and then stably transfect COS cells and choose the receptor-expressing COS-45 cell line. Using your receptor-expressing COS-45 cells, how could you demonstrate experimentally that the selective antagonist binds […]

Question 1 A definition of a virus. how has your personal definition of a virus evolved? Write a paragraph providing a comprehensive definition of a virus. Question 2 Influenza A (H7N9) is one of a subgroup of influenza viruses that normally circulate among birds. In late March of this year, […]

Tackle this experiment with drawings. Procedure Meiosis I A. As prophase I begins, chromosomes coil and condense in preparation for replication. 1. Using one single color of bead, build a homologous pair of duplicated chromosomes. Each chromosome will have 10 beads with a di%uFB00erent colored centromere in it. For example, […]