Mitotic spindle initiates during

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

Which of the following is incorrect for the telophase stage of mitosis?

In mitosis,the splitting of the centromere and the separation of chromatids occurs during which phase?

Which of the following events occurs during the $M$ phase (Mitosis)?

Identify the structure labeled as $A$ and state the phase shown in the image.