Sia
Question
Biology
Posted 9 months ago
All of the following are true of exotoxins Except?
a. The B portion of the toxin binds to surface receptors on host cetts
b. The A portion of the toxin is the active component
c. They consist of two polypeptide components.
d. They are only produced by gram-negative bacteria
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Answer from Sia
Posted 9 months ago
D
Key Concept
Exotoxin production
Explanation
Exotoxins can be produced by both gram-positive and gram-negative bacteria, not just gram-negative bacteria.
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