AP BIOLOGY

THE CELL

CELL COMMUNICATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What type of receptor does insulin bind to?
A
G protein linked
B
protein kinase
C
ion channel
D
intracellular
Explanation: 

Detailed explanation-1: -The receptor belongs to the receptor tyrosine kinase superfamily and has orthologues in all metazoans. The structure of the unbound extracellular domain ("apo-receptor") has been solved. Insulin binds to two distinct sites on each a subunit of the receptor, crosslinking the two receptor halves to create high affinity.

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