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Question
During the passage of a nerve impulse,a. sodium ions pass through gated channels.
b. positive feedback causes more sodium ions to enter the cell.
c. the interior of the cell becomes positive relative to the outside.
d. changing voltage increases the number of open gates.
e. all of these occur.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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d. stores fat
e. offers resistance to mechanical injury and loss of internal fluids; also a barrier against microorganisms
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Circadian
Choose the one most appropriate answer for each. Some letters may not be used.
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c. has receptor sites for a particular hormonal message
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b. gibberellin.
c. cytokinin.
d. abscisic acid.
e. ethylene.
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Auxin concentration gradients
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d. citric acid.
e. nitric acid.
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e. respond to dwindling supplies of nutrients and water.
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d. exopolysaccharides
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Sperm nuclei are indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
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a. A.
b. B.
c. C.
d. D.
e. E.