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
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Two specific coenzymes we need to obtain from our diet are niacin and ________, as our bodies cannot synthesize them.
Fill in the blank(s) with the appropriate word(s).
The region(s) where hormonal adjustment to
solute and volume levels occur(s) is(are) indicated by a. A. b. B. c. C. d. D. e. C and D.
The ventilation of insect tracheal tubes is dependent upon the presence of:
a. pores. b. alveoli. c. gills. d. spiracles. e. opercula.
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).