Question: Plasmid size of pGLO is 5371 bp and the restriction sites for PstI are 2106 and 3181. Compute to predict the sizes of fragments when gPLO is digested with PstI. Please show work. Question: A microbiologist wants to make bacteria produce a foreign protein. He has cloned the protein gene into […]

Electro-physiologists can measure the electrical potential (=voltage) across a cell membrane using micro-electrodes. Recalling that this potential is due to an uneven distribution of charged ions across a membrane, consider the following case: When you expose the cells of the electric organ of the electric eel to the signaling molecule […]

Use the following information for the next 2 questions. Pigeons have two alleles of a single gene that determines whether they have feathers on their lower legs. The alleles are called no grouse (associated with the featherless phenotype) and grouse (associated with feathery legs). Suppose a pigeon that is homozygous […]

Mrs. Ryan, a middle-aged woman, appears at the clinic complaining of multiple small hemorrhagic spots in her skin and severe nosebleeds. While taking her history, the nurse notes that Mrs. Ryan works as a rubber glue applicator at a local factory. Rubber glue contains benzene, which is known to be […]