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Stella [2.4K]
3 years ago
12

Can someone help me with number 15 please

Biology
1 answer:
grin007 [14]3 years ago
6 0
In the first one draw the molecules closer together and in the second one draw them more diverse and farther apart hope that helps
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Species is a group of living organisms consisting of similar individuals capable of exchanging genes.

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The respiratory system depends on the nervous system for signals to
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In a resting state, sodium (Na ) is at a higher concentration outside the cell and potassium (K ) is more concentrated inside th
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In a resting state, sodium (Na ) is at a higher concentration outside the cell, and potassium (K ) is more concentrated inside the cell. During an action potential, the sodium levels <u>increase </u>inside the cell.

During an action potential, the potassium level inside the cell decreases, and the sodium level inside the cell increases. That is to say, there is an outflow of potassium and an inflow of sodium ions.

Action potential usually occurs when an electrical signal disrupts the balance of Na+ and K+ within a cell membrane, briefly depolarizing the concentrations of each.

Learn more about potassium here: brainly.com/question/21439467

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