Multiple Choice
Substance E is made in the pancreas, travels through the blood, and binds to a surface receptor on a target cell. After dimerization and autophosphorylation, the receptor activates a signaling protein. Substance E is therefore the ligand for ____.
A) a receptor tyrosine kinase
B) a G-protein-coupled receptor
C) a hormone receptor
D) a ligand-gated ion channel
E) guanylyl cyclase
Correct Answer:
Verified
Correct Answer:
Verified
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