Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 10. Cell cycle and cell division1 Mark
MCQ
During mitosis, $ER$ and nucleolus begin to disappear at
A
late prophase
B
early metaphase
C
late metaphase
✓
early prophase.
✓
Answer
Correct option: D.
early prophase.
d (d) : During early prophase of mitosis, nucleus and cell become spheroid. Viscocity and refractivity of cytoplasm increases. $DNA$ molecules condense to form shortened chromosome. Endoplasmic reticulum and nucleolus starts disappearing.
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