Second messengers
A) are typically very specific in their activity.
B) do not amplify a signal.
C) have enzymatic activity.
D) can be derived from lipids.
E) All of the above

Question

Quizplus · Accepted Answer

Second messengers can be derived from lipids, such as phosphatidyl inositol, and function to transmit signals from the cell surface to the intracellular environment. They do not typically have enzymatic activity, are specific in their activity, and do amplify signals. Therefore, only option D correctly describes second messengers.

Second Messengers