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STD 11 - 8. Cell the unit of life — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 8. Cell the unit of life1 Mark
MCQ
Nuclear envelope is a derivative of
  • A
    microtubules
  • ✓
    rough endoplasmic reticulum
  • C
    smooth endoplasmic reticulum
  • D
    membrane of Golgi complex.
✓

Answer

Correct option: B.
rough endoplasmic reticulum
b
(b) : Recent developments have shown that nuclear membrane is derived from rough endoplasmic reticulum. During cell division, nuclear membrane is disintegrated. The nuclear envelope transmembrane proteins are absorbed in the $RER$. Once the division is completed, $RER$ reassembles the nuclear envelope.

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