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NEET Biology Neural Control and Coordination Question Bank Self Evaluation Test - Neural Control and Co-ordination

  • question_answer
    One group of neurotransmitter receptors is the metabotropic receptors. Which one of the following statements about metabotropic receptors is false?

    A) Both muscanaric and p-adrenergic receptors are metabotropic receptors.

    B) Metabotropic receptors are coupled with A proteins.

    C) Metabotropic receptors can stimulate gene expression.

    D) Muscanaric receptors bind with acetylcholine.

    Correct Answer: B

    Solution :

    [b] Metabotropic receptors are coupled with proteins that bind GDP. When the receptor bind a neurotransmitter, the GDP is turned into GTP and a subunit of the G protein separates and activates effector proteins.


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