NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL ORGANELLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Small microtubles arranged in specific ways aids in cell division-anaphase moves to opposite poles-pulls sister chromatids (Animal only)
A
Centrioles
B
Ribosomes
C
Golgi Apparatus
D
Endoplasmic ReticulumRough+Smooth
Explanation: 

Detailed explanation-1: -Metaphase leads to anaphase, during which each chromosome’s sister chromatids separate and move to opposite poles of the cell.

Detailed explanation-2: -Anaphase. The sister chromatids separate from one another and are pulled towards opposite poles of the cell. The microtubules that are not attached to chromosomes push the two poles of the spindle apart, while the kinetochore microtubules pull the chromosomes towards the poles.

Detailed explanation-3: -Three subgroups of microtubules aid in the process of mitosis: astral, polar, and kinetochore microtubules. Astral microtubules radiate from the MTOCs of a cell to the cell membrane, keeping the mitotic spindle in place. Polar microtubules intertwine between two MTOCs and help separate chromosomes.

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