When the body wants to prolong or inhibit the transmission of an impulse from one neuron to the next, it often employs

A. voltage end-gates.
B. neuromodulators.
C. electrical connections.
D. the electron transport chain.


Answer: B

Biology & Microbiology

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Fill in the blank(s) with the appropriate word(s).

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A free nucleotide has a five-carbon sugar (deoxyribose), ____________________ phosphate group(s), and ____________ of four nitrogen-containing bases.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology