Question
Why is cell membrane called a selectively permeable membrane?
Answer: Option B
:
B
Plasma membrane is an external covering of the cell. It separates the contents of the cell from the external surroundings. Since, it allows the entry and exit of only certain substances (e.g., molecules, ions, etc.) it is known as a selectively permeable membrane.
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:
B
Plasma membrane is an external covering of the cell. It separates the contents of the cell from the external surroundings. Since, it allows the entry and exit of only certain substances (e.g., molecules, ions, etc.) it is known as a selectively permeable membrane.
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