science
Grade-10
Easy
Question
In the process of mitosis, the movement of chromosomes need
- Centromere
- Plasmalemma
- Spindle fibres
- None of these
Hint:
Thread like structures that are formed at the poles of the cell.
The correct answer is: Spindle fibres
- During prophase, the nuclear membrane and cell organelles dissolve
- The microtubule and spindle fibers also develop during prophase
- After the alignment of the sister chromatids at the center of the cell during metaphase, the spindle fibers attach to the chromatids and start to contract
- The contraction of the spindle fibers help in the movement of the sister chromatids to the opposite poles of the cell
- Centromere is part of chromosome, where the spindle fibers attach
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