Phosphorylation of enzymes
A) has no effect on their catalytic activity.
B) does not require ATP.
C) usually takes place on serine, threonine, and tyrosine residues.
D) always increases the activity of the enzyme

Question

Quizplus · Accepted Answer

Phosphorylation of enzymes typically occurs on serine, threonine, and tyrosine residues, which can either increase or decrease their catalytic activity, depending on the enzyme and the context within the cell.

Phosphorylation of Enzymes