You scoop up a water sample from a local pond nearby, because you are curious about the possible microbes that might live there.  After looking at several slides that held drops of the sample, you noticed two different kinds of cells:  One kind was very small and had no separate […]

Question:  What are the four main types of proteins found in blood plasma and what are their functions? Question:  Explain why is type O blood considered the universal donor? What would happen if a person who was a type B blood type was transfused with type A blood type and […]

A group of Chinese men immigrated to America and settled among a group of Native Americans. Over the years, each of the Russian men took one wife from among the Native-American women. The original group of Chinese included 32 men with the Rh-negative blood type (coded for by the genotype […]

Question1. What is the oxygen requirement of organisms that are able to reduce nitrates? Question2.Is nitrate reduction an aerobic or anaerobic process? Circle one. Question3.What purpose does the nitrate serve to bacteria that can reduce it? Question4.After incubation, two reagents will be added to the culture to determine if nitrate […]