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Ezekielcassese
18.01.2020 •
Biology
While explaining cellular membrane potentials, the instructor states that during an action potential, the cell membrane becomes more permeable to which mineral/electrolyte?
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Ответ:
during action potential the cell membrane becomes more permeable to sodium ions to depolarized the cell to pass the nerves
Explanation: During resting potential the cell membrane contain more potassium ions inside of the cell then outuside to keep the cell negatives internally and this job has been doing by sodium -potassium pump which push two k+ ions inside of the cell & pulled 3 Na+ ions outside of the cell and thus maintain resting membrane potential but when neurotransmitter attached to the channels and tells it to open.So, they activate the m sodium gate which usually closed at resting membrane potential and start the movement of more sodium ions to inside of the cell to depolarize the it.
Ответ:
A. Not concerned with cross contamination.
Explanation: