In which phase of mitosis do chromosomes show the most condensed state?

The $M-$phase of the cell cycle consists of ........ phases.

What happens during the telophase of mitosis?

Choose the correct combination of options to select the correct statement for prophase:
$I.$ Chromosomal material condenses to form compact mitotic chromosomes.
$II.$ The assembly of mitotic spindle is initiated by the microtubules.
$III.$ Cells do not show organelles when viewed under the prophase.
$IV.$ The nucleolus or nucleoli degenerate completely.

After the separation of centromeres during mitosis,the chromatids move towards opposite poles of the spindle. Name the term used for these chromatids.

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