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Which cellular structure controls cell motility, adhesion, and polarity at interphase, and facilitates the organisation of spindle poles during mitosi
Question

Which cellular structure controls cell motility, adhesion, and polarity at interphase, and facilitates the organisation of spindle poles during mitosis?

A.

Lysosomes

B.

Centrosomes

C.

Glyoxysomes

D.

Peroxisomes

Correct option is B


The correct answer is (b) Centrosomes.
· Centrosomes are key cellular structures involved in organizing microtubules in the cell.
· During interphase, centrosomes play a crucial role in controlling cell motility, adhesion, and polarity.
· They are the primary microtubule-organizing centers (MTOCs) in animal cells, which help in the formation and stabilization of microtubules.
· During mitosis, centrosomes facilitate the organization of spindle poles, ensuring proper chromosome segregation.
Information Booster:
· Lysosomes: These are membrane-bound organelles involved in the breakdown of cellular waste and recycling of cellular components through the process of autophagy. They do not play a role in cell motility, adhesion, polarity, or spindle pole organization.
· Glyoxysomes: These are specialized peroxisomes found in plants, involved in the conversion of fatty acids to carbohydrates during seed germination. They are not involved in cell motility or mitosis.
· Peroxisomes: These are organelles that contain enzymes for oxidative reactions, including the breakdown of fatty acids and detoxification of hydrogen peroxide. They do not control cell motility or mitotic spindle organization.

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