Biochemistry Which of the following is the donor of ADP-ribose for ADP-ribosylation reactions? A Adenosine triphosphate B Adenosine monophosphate C Nicotinamide adenine dinucleotide D Flavin mononucleotide 💡 Explanation Which of the following is the donor of ADP-ribose for ADP-ribosylation reactions? ✓ Correct Answer: C. Nicotinamide adenine dinucleotide