How many membranes comprise the nuclear envelope?

One

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Two

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Three

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None

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Solution

The correct option is B Two
The nuclear envelope is a membrane barrier that separates the nucleus from the cytoplasmic in eukaryotic cells. It contains a large number of proteins. The nuclear envelope is composed of two concentric bilayer membranes. The two layers are fused together into numerous tiny holes called the nuclear pores.
Hence, the correct answer is 'Two'.

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