Multiple Choice
Extracellular messengers binding on surface receptors may exert effects on cells via all the following means, except:
A) opening gated channels.
B) opening a gated channel through activation of a G protein.
C) activation of the adenylyl cyclase system.
D) binding to sites and then being endocytized.
E) ultimately activating protein kinases.
Correct Answer:
Verified
Correct Answer:
Verified
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