Use This Information to Answer the Following Questions

question 30

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

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Definitions:

Diminished Sensitivity

A reduction in the ability to perceive or respond to stimuli.

Perceptual Set

A readiness to perceive certain aspects of available sensory data and to ignore others, influenced by expectations, experiences, and context.

French Fries

Deep-fried strips of potatoes, often seasoned with salt, commonly served as a fast-food side dish or snack.

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time.