What Is the Function of the B Segment of Diphtheria

question 26

Multiple Choice

What is the function of the B segment of diphtheria toxin?

• A) mimics aminoacyl-tRNA, thus causing premature termination of protein synthesis
• B) cleaving tRNA
• C) allowing the A fragment to enter the cell
• D) covalent modification of elongation factor 2
• E) None of the answers is correct.

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