Using a Specific Chemical,a Cell Biologist Has Blocked One Type

question 20

Multiple Choice

Using a specific chemical,a cell biologist has blocked one type of channel-linked receptor in a lab rat's liver tissue.What was the likely mechanism of the chemical she used?

• A)The chemical prohibits binding of a ligand to the receptor.
• B)The chemical prohibits ions from entering the cell via active transport.
• C)The chemical causes ions to move in the opposite direction of the ion gradient.
• D)The chemical prohibits second messenger signaling.

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