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Question

Which part of the cell separate it from its external environment?

A
Nucleus
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B
Cell membrane
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C
Endoplasmic reticulum
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D
Vacuole
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Solution

The correct option is B Cell membrane
The cell membrane separates a cell from its external environment. It is also known as plasma membrane. It is an extremely delicate and flexible layer. In an animal cell, it is the outermost covering, while in a plant cell, cell wall is present outside the plasma membrane.

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