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hjlf
3 years ago
12

Which statement correctly describes what causes the second voltage-gated Na+ channel to open?A) As Na+ ions enter the cell throu

gh the first channel, they spread out from the channel. When these Na+ ions reach the second channel, it opens.B) As Na+ ions enter the cell through the first channel, Na+ ions outside the cell move toward the open Na+ channel. When the concentration of Na+ ions near the second channel becomes low enough, the second channel opens.C) After the first channel opens, the movement of Na+ ions (both inside and outside the cell) alters the Na+ ion distribution across the membrane near the second channel, causing it to open.D) After the first channel opens, the movement of many types of ions (both inside and outside the cell) alters the distribution of charges near the second channel, causing it to open.
Biology
1 answer:
Ahat [919]3 years ago
8 0

Answer:

Correct option is D.

Explanation:

Our nervous system contain cells which are known as neurons these cells help to send information from the spinal cord, and brain. From receptors sensory nervous receive stimuli, and then help in to transfer this information from cell to cell in the central nervous system.

These cells work by change in voltage potential which is present in plasma membrane. So, after the first channel opens, the movement of many types of ions (both inside and outside the cell) alters the distribution of charges near the second channel, causing it to open.

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