The morphology of chromosomes is best observed during which stage of cell division?

Cyclin is associated with which one of the following?

During mitosis,$ER$,nucleolus,and other cell organelles begin to disappear at

In which phase of mitosis do chromosomes show the most condensed state?

During metaphase,the spindle fibers attach to the centromere of the chromosomes and align them at the central region of the cell. What is this region called?

In which phase do chromosomes separate and move towards opposite poles?