Second messengers:
A)are small intracellular molecules that participate in signal transduction.
B)play a role in activation of intracellular signal transduction.
C)are removed in order to terminate a cellular signaling response.
D)amplify the effects of the signal.
E)All of these choices are correct.

Question

Quizplus · Accepted Answer

All of the choices listed are correct. Second messengers are small molecules like cAMP, calcium ions, and IP3 that amplify the effects of a signaling molecule and play a role in activating intracellular signaling pathways. They can also be removed to terminate a signaling response.

Second Messengers