What is the most common event in the type of intracellular signal transduction that uses a second messenger?
A) Acetylation
B) Carboxylation
C) Glucuronidation
D) Phosphorylation
E) Sulfation

Question

Quizplus · Accepted Answer

The most common event in intracellular signal transduction that uses a second messenger is phosphorylation. Second messengers, such as cyclic AMP or calcium ions, activate protein kinases, which in turn phosphorylate target proteins to elicit a cellular response.

What Is the Most Common Event in the Type of Intracellular