Question: The mitochondria a of mutant yeast strain is found to oxidize NADH even in the absensce of ADP. How would the P/O ratio of this mutant compare to the wilfe type? How would the flux of metabolites through the TCA cycle in the presence of oxygen compare in the mutant […]

HUMAN BIOLOGY 1. A portion of specific mRNA consists of the following sequence of nucleotide triplets. CUC AAA UCG CCU CGU This mRNA sequence codes for the following short polypeptide. leucine – lysine – serine – proline – arginine Describe the steps in the synthesis of this polypeptide. What would […]

A spill from a gasoline tank releases benzene, toluene, ethylene, and xylene (BTEX) and methyl-tertiary butyl ether (MTBE) into the subsurface. The spill travels through the vadose zone and into the saturated zone. The Kow of the BTEX compounds is higher than the Kowof MTBE. What is the significance of […]

Why is it that some people seem to have a ‘good’ immune system (i.e., they never get sick), whereas others seem to catch every illness that comes along? Given what you have learned so far, which components of the immune system do you think can differ between individuals?Why is it […]