Question

A G-protein: a) is necessary for the action of lipid-soluble hormones b) activates the enzyme adenylate...

A G-protein:

a) is necessary for the action of lipid-soluble hormones

b) activates the enzyme adenylate cyclase

c) activates transcription factors in the nucleus

d) is a precursor protein that is converted into angiotensinogen

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Answer #1

Correct option: B. activates the enzyme adenylate cyclase

Explanation: G protein involved in the transmission of chemical signals and regulates metabolic activities like transcription, motility, and embryonic development. When performing all of these functions, it gets energy from GTP. The Heterotrimeric G proteins (Gα, Gβ/Gγ subunits) activate adenylyl cyclase and it is actually made by three different subunits.

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