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← Human Body & HealthIf a patient develops resistance to a synthetic hormone drug, which consequence affecting receptor function is most probable?
A)Increased receptor mRNA transcription
B)Elevated receptor recycling rate
C)Reduced receptor binding affinity✓
D)Enhanced receptor dimerization efficiency
💡 Explanation
Drug resistance frequently involves conformational changes to the receptor protein, because this alteration decreases the binding affinity between the drug and its target. Therefore, the drug becomes less effective, rather than causing changes in receptor production or downstream signaling efficiency.
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