All of the following statements about Vibrio cholerae enterotoxin are true EXCEPT

All of the following statements about Vibrio cholerae enterotoxin are true EXCEPT



A. Toxic activity resides in subunit B
B. There are two major subunits, A and B
C. Subunit B is responsible for binding of the toxin
D. Acts on cells of the small intestine


Answer: A. Toxic activity resides in subunit B


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