The proteins involved in the movement of chro | vedclass

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(C) During cell division,the spindle apparatus is responsible for the movement of chromosomes towards the poles.This apparatus is composed of microtub

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Tubulin

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(C) During cell division,the spindle apparatus is responsible for the movement of chromosomes towards the poles.This apparatus is composed of microtubules.Microtubules are proteinaceous structures made up of polymerized subunits of the protein tubulin,specifically $\alpha$-tubulin and $\beta$-tubulin.Therefore,tubulin is the protein involved in chromosome movement.

Column-$I$	Column-$II$
$1$. Metaphase	$p$. Chromosomal material condensed
$2$. Prophase	$q$. Nucleolus reform
$3$. Anaphase	$r$. Spindle fibre attach to kinetochores
$4$. Telophase	$s$. Chromatids move to opposite poles

The proteins involved in the movement of chromosomes towards the poles during cell division are

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Congression is a phenomenon of

In which of the following stages do chromosomes align at the equatorial plate?

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Match the following:
Column-$I$ Column-$II$
$1$. Metaphase $p$. Chromosomal material condensed
$2$. Prophase $q$. Nucleolus reform
$3$. Anaphase $r$. Spindle fibre attach to kinetochores
$4$. Telophase $s$. Chromatids move to opposite poles

The complete disintegration of the nuclear envelope marks the start of which stage of mitosis?

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