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 […]

1) The resting membrane potential in most neurons is determined by open channels that are permeable to which ion? A. K+ B. Cl- C. Na+ D. Ca2+ E. Impermeable anions 2) At room temperature, the equilibrium potential of K+ in a cell with an internal concentration of K+ 10 fold […]

Q1. Susan and Robert are the parents of three children. One night as the family was sleeping, a fire broke out next door. Susan and Robert heard the fire trucks and rushed out to see what was happening. None of the children woke up, even with the sound of sirens […]