Most animal cell membranes have proteins that pump ______ ions out of the cell and potassium ions into the cell.
2 answers:
Answer:
Sodium
Explanation:
Most cell membranes have protein that pumps sodium ions out of the cell and potassium ions into the cell.
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C) The stems would wilt.
Explanation:
The stem relies on the pressure of the plant cells to maintain its rigidity. The plant cells shrink when they lose water, losing their rigidness in the process.
Answer:
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Explanation:
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uracil
Explanation:
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It is a perfect example of a natural selection.
In this situation, the rabbit is the primary consumer because it feeds off the producer (grass) and is eaten by the secondary consumer (snake).
