Down-regulation may allow a target cell to
A) only increase its number of receptors for a ligand.
B) only decrease its number of receptors for a ligand.
C) only increase its binding affinity for a ligand.
D) decrease the receptors' binding affinity and increase its number of receptors.
Correct Answer:
Verified
Q1: Inositol triphosphate
A) is a water-insoluble messenger molecule.
B)
Q2: Cyclic AMP activates
A) a G protein.
B) adenylyl
Q4: Receptor molecules are located
A) only in the
Q5: What by-product results during the production of
Q6: The most significant difference between a paracrine
Q7: Lipophilic hormones
A) bind to receptors on the
Q8: Match the term with its description:
-receives information
Q9: Neurotransmitters and neurohormones both
A) are released by
Q10: Why do some normal cells fail to
Q11: Which is NOT a basic method of
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