The term,mitosis was coined by

In which stage is the structure of chromosomes most clearly visible?

To which part of the chromosome do the spindle fibers attach?

At the beginning of this stage,the chromosomes that have reached their respective poles decondense and lose their individuality.

$A$ stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics.

During the $G_2$-phase,the amount of $DNA$ in a diploid cell is equivalent to which of the following?