Sortase is a protein enzyme of bacteria that ________.
A. functions by transporting flagellum proteins to their extracellular site of assembly
B. plays a key role in directing proteins to the periplasm
C. catalyzes covalent attachment of some surface proteins to peptidoglycan
D. directs secretion of proteins across the outer membrane
Answer: C
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A) posterior; dorsal B) anterior; dorsal C) posterior; ventral D) anterior; ventral
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