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What is the space between the two membranes of the nuclear envelope known as?

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in Biology – Class 11 by (272k points)
What is the space between the two membranes of the nuclear envelope known as?

(a) Reticular space

(b) Intra – membrane space

(c) Perinuclear space

(d) Somatic space

This question was addressed to me in a national level competition.

Origin of the question is Cell in section Cell : The Unit of Life of Biology – Class 11

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Correct answer is (c) Perinuclear space

To elaborate: Electron microscopy has revealed that the nuclear envelope consists of two parallel membranes with a space between them called the perinuclear space. It forms a barrier between the materials present inside the nucleus and that of the cytoplasm.

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