Which is an example of a second messenger?
A) protein kinase A
B) an ion channel
C) cyclic AMP
D) GABA
E) insulin
Correct Answer:
Verified
Q31: Phospholipase C catalyzes the reaction in which:
A)
Q32: What is calmodulin?
A) a hormone
B) a phosphatase
C)
Q32: Adenylyl cyclase catalyzes the reaction in which
A)
Q33: Scaffold proteins ensure that signals are relayed
Q33: What activates protein kinase C?
A) IP3
B) DAG
C)
Q34: Where are calcium ions stored before a
Q37: Many intracellular receptors are transcription factors; when
Q39: In the IP3 pathway, what is the
Q40: Which molecule is a first messenger but
Q50: Which statement about Ras proteins is false
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