The refractory period
A. is the time during which the tissue cannot respond again.
B. results in complete and incomplete tetanus.
C. is the condition in which the muscle fiber only partially relaxes between contractions.
D. is the condition in which stimuli occur so rapidly that there are no intervening relaxations.
E. is the constant tension produced by muscles for long periods of time.
A
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alternative forms of a gene are known as ______________.
Fill in the blank(s) with the appropriate word(s).
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a. ADP b. ATP c. phosphatase d. glucose e. amino acids
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Fill in the blank(s) with the appropriate word(s).