Multiple Choice
Which of the following statements is true?
A) Glycogen phosphorylase in liver cells is always active.
B) cAMP is referred to as a "first messenger."
C) Epinephrine directly activates adenylyl cyclase.
D) cAMP is referred to as a "second messenger."
E) Adenylyl cyclase is a protein kinase.
Correct Answer:
Verified
Correct Answer:
Verified
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