12. what anchors the spindle?

The centriole is an organelle that forms during interphase (growth period) and is that anchor for the spindle fibers and helps shorten the spindle during anaphase to pull apart chromosomes and move them to the opposite ends of the cell.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.