The following describe the inorganic chemical composition of bone except:

Which of the following events begins at week 8 of embryo development:

Which tube corresponds to each of the following types of organisms?  

Which of the following processes contain an electron transport chain?  (Select all)   Another way to ask the question: which of these processes describe a situation including proton motive force (PMF)? 

After cleaning out your refrigerator, for the first time in a year, you find a lemon and think – ‘hmm I wonder if this is still good?’ After cutting into it you find the center is rotten with “fuzzies” all over the inside. List five environmental and nutritional factors that describe this bacterium.

What role does OXYGEN play in aerobic respiration?

Select the following characteristics that pertain to the stationary phase (select all that apply).  

Metabolism: Organo-, litho- & photo-trophy

Which of the following are more likely to be a pathogen in the blood stream? (select all)

Clostridium difficile is a soil bacterium that is an opportunistic pathogen of the gut. Given that it is an obligate anaerobe what enzyme(s) is it lacking that would allow it to tolerate oxygen?