During mitosis, chromosomes move to their respective poles in a stage called:

The nuclear membrane disappears in

Identify the figures ($A$ and $B$).

Select the correct statement regarding $S-$phase of interphase.
$I.$ Occurs between $G_1$ and $G_2$ phase.
$II.$ $DNA$ replication begins in the nucleus.
$III.$ Centrioles duplicate in the cytoplasm.
$IV.$ As $DNA$ is doubled,the number of chromosomes also doubles.

Which stage of cell division is best for studying the morphology of chromosomes?

During which phase of cell division do the chromatids move towards opposite poles?