Schoolcraft College
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Pathogenicity is the ability 
A) of the host to inflict damage on the pathogen. 
B) of the host to resist damage by the pathogen. 
C) of the pathogen to inflict damage on the host. 
D) None of these are correct. 
 
2) Which of the following is NOT a subunit of lipopolysaccharide (LPS)? 
A) O-specific polysaccharide 
B) lipid A 
C) core polysaccharide 
D) M protein 
 
3) One microenvironment of the skin is an area where glands produce an oily substance called 
A) mucus. 
B) sebum. 
C) fimbrae. 
D...
) The metabolic diversity of photosynthetic bacteria stems from different 
A) bacteriochlorophylls and pigments they contain. 
B) chlorophylls they can have and organic compounds they can produce. 
C) light-harvesting complexes, electron donors, and organic compounds they produce. 
D) unrelated taxa capable of photosynthesis. 
 
2) Whether an organism is classified as a photoheterotroph or a photoautotroph depends on its 
A) energy source. 
B) carbon source. 
C) oxygen requirements. 
D) carbon a...