A neuromodulator
A. acts as a neurotransmitter.
B. inactivates neurotransmitters.
C. is a receptor site for a neurotransmitter.
D. has no influence on the amount of neurotransmitter released.
E. is a substance released from neurons that influences the sensitivity of neurons to neurotransmitters.
E
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Fill in the blank(s) with the appropriate word(s).
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What will be an ideal response?
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A. 46; S phase B. 46; metaphase C. 46; prophase D. 23; interphase E. 23; metaphase
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