In which phase of cell division do the nuclei formed at both polar regions appear?

During the metaphase stage of mitosis,spindle fibres attach to chromosomes at

Which one of the following precedes the reformation of the nuclear envelope during the $M-$phase of the cell cycle?

Which of the following is $NOT$ true for telophase?

The major event that occurs during the $Anaphase$ of mitosis,which brings about the equal distribution of chromosomes is

The energy required to pull each daughter chromosome towards opposite poles at a rate of $1 \mu m/min$ during anaphase is... (in $, ATP$)