Item #7 of 10

Second messenger molecules _______________________.

are included in the cascade of reactions initiated by a metabotropic neurotransmitter;
are produced in response to activation of the alpha-subunit of a G protein;
are produced in response to an enzyme activated by the alpha-subunit of a G protein;
initiate a series of chemical events that open an ion channel;
all of the alternatives provided are correct;

INCORRECT - Although this statement is correct, a better alternative is provided.

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