Which of the following is an extracellular messenger involved in signal transduction?
A) Cyclic GMP
B) Ca2+
C) Epinephrine
D) Rhodopsin
E) Diacylglycerol

Question

Quizplus · Accepted Answer

Epinephrine is a hormone that acts as an extracellular messenger involved in signal transduction. Cyclic GMP, Ca2+, diacylglycerol, and rhodopsin are also involved in signal transduction but are not exclusively extracellular messengers.

Which of the Following Is an Extracellular Messenger Involved in Signal