Capnophiles need elevated (high) levels of _____

Anabaena (also known as blue-green algae) has a role in which biogeochemical cycle(s)?

Which choice lists all bacteria that use aerobic cellular respiration?

Which process(es) produce(s) ATP using an electron chain and chemiosmosis?  

What is the mechanism used by pathogens to evade the 2nd line of host defense against infection?

Which of the following best describes how a prion causes disease? 

Which choice is most closely associated with the role of bacteria in bioremediation?

Which choice describes how cells of the immune system induce apoptosis?

Which cell type(s) is/are involved in initiating the anamestic response?  

Which of the following best describes the function of NAD+/NADH in the cell?