Prophase
Prophase is the longest phase of mitosis.
During prophase the following occur:
During prophase the following occur:
- the chromatin uncoils
- chromosomes appear
- spindle fibers form in the middle of the cell
- nuclear membrane disappears
- nucleolus disappears
- chromatids form
- centrioles travel to the opposite sides of the cell
- centromere connects sister chromatids