The nuclear envelope reappears in $........$.

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

The alkaloid from $Colchicum$ $autumnale$ of $Liliaceae$ induces:

This stage is known as the reverse prophase.

In the $24$ hour average duration of the cell cycle of a human cell,how long does the cell division proper ($M$ phase) last?

During telophase, the chromosomes cluster at opposite spindle poles and their identity is lost as discrete elements. What do they transform into at the end of this phase?