Which of the following catalyzes ADP-ribosylation of a diphthamide res – McqOptions

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1.	Which of the following catalyzes ADP-ribosylation of a diphthamide residue?
A.	Chloramphenicol
B.	Cycloheximide
C.	Diphtheria toxin
D.	Ricin
Answer» D. Ricin

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