Question 77

(Multiple Choice)

Use this information to answer the following questions.
Affinity chromatography is a method that can be used to purify cell-surface receptors,while they retain their hormone-binding ability.A ligand (hormone)for a receptor of interest is chemically linked to polystyrene beads.A solubilized preparation of membrane proteins is passed over a column containing these beads.Only the receptor binds to the beads.
-What might be one approach to design a drug to maintain low blood sugar levels?


A)activate epinephrine receptors
B)increase cAMP production in liver cells
C)block G protein activity in liver cells
D)increase phosphorylase activity
E)increase membrane fluidity

Answer