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Question

Microtubule is involved in the


A

Muscle contraction

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B

Membrane architecture

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C

Cell division

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D

DNA recognition

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Solution

The correct option is C

Cell division


Microtubules are unbranched hollow submicroscopic tubules of protein tubulin which develop on specific nucleating regions and can undergo quick growth or dissolution at their ends by assembly or disassembly of monomers. Microtubules form spindle during cell division. Centrioles help in cell division by forming spindle poles or microtubules. In animal cells, microfilament collect in the middle region of the cell below the cell membrane. They include the cell membrane to invaginate. In plant cells, cell plate is formed to separate the two daughter cells. Some of the spindle fibres called interzonal microtubules are deposited around phragmoplast vesicles from Golgi apparatus and are deposited and coalesce on phragmoplast to form a cell plate.


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