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If cells in process of dividing are subjected to colchicine, a
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If cells in process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?

A
Anaphase

B
Prophase

C
Telophase

D
Metaphase

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Updated on: Mar 5, 2023

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If cells in process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?
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Colchicine inhibits the formation of microtubules by inhibiting tubulin, a protein required for microtubule synthesis. Microtubules in the form of spindle fibers during cell division pull the DNA from the center of the mother cell into the new daughter cells. If microtubules are not formed DNA will not move into new cells. Hence new cell formation will be inhibited in the metaphase stage. Thus the correct answer is option D.
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Question Text
If cells in process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?
Updated OnMar 5, 2023
TopicCell Cycle and Cell Division
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes247
Avg. Video Duration11 min