Ligand-gated ion channels are ; g protein-coupled receptors are .

1 answer:

6 0

<span>The answer is b. fast / ionotropic; slow / metabotropic. There is fast neurotransmission since the ligand – gated ion channel receptor is directly activated by the neurotransmitter. On the other hand, G – protein coupled receptor is bound to the neurotransmitter in order to stimulate a chemical signaling cascade which has a longer pathway, thus, making it slow and metabotropic.</span>

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