Archaea,as a group,are not pathogens.This is because ________.
A) they evolved without mammals
B) mammals evolved special defenses against them
C) mammalian hosts do not meet their environmental requirements
D) they are outcompeted by natural flora
E) None of the choices are correct
Correct Answer:
Verified
Q1: The term chemoheterotroph refers to an organism
Q3: Microorganisms require large quantities of _ for
Q4: Calcium is required for bacteria because it _.
A)stabilizes
Q8: The term photoautotroph refers to an organism
Q10: Organisms called _ live on or in
Q11: What compound is the most abundant in
Q19: An important mineral ion of the cytochrome
Q25: The term facultative refers to
A)the ability to
Q30: The movement of molecules from an area
Q32: The term obligate refers to
A)the ability to
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