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Aleksandr [31]
3 years ago
14

Which of the following statements best explains how the cell membrane regulates what goes in an out of the cell?

History
2 answers:
dedylja [7]3 years ago
8 0

The statement "The membrane allows only certain molecules to move into the cell" explains how the cell membrane regulates what goes in an out of the cell.

Answer: Option A

<u>Explanation: </u>

Cell membrane is a protective wall between intracellular and extracellular environment. It acts as regulator to decide what may enter or exit the cell and medium for transportation of materials necessary for survival. This movement can be passive (without cellular energy need) or active (cell need to expand energy for transfer).

It balances cell potential thus cell membrane play role of selective filter.  As they are selectively permeable permits fat-soluble or hydrophobic molecules and gases, such as oxygen and carbon dioxide, they can quickly send out via the membrane.

tresset_1 [31]3 years ago
3 0

The option that best represents hoy cell membrane work would be option A. The membrane allows only certain molecules to move into the cell. For example, water can move freely in and out of the cell, but if you have larger molecules or if they have a charge, they cannot pass. In the case of oxygen and carbon dioxide, they're free to move, but proteins and glucose can't move into the cell. This is because oxygen can move from a high concentration to a low concentration area and vice-versa.

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