| Term | Definition |
| anaphase | 3rd stage of mitosis in which sister chromatids are pulled apart and microtubules, along with motor proteins, move the chromosomes to opposite poles of the cell |
| centromere | cell structure that joins two sister chromatids |
| metaphase | 2nd stage of mitosis in which motor proteins pull sister chrmatids to the cell's equator |
| prophase | 1st stage of mitosis, during which the cell's chromatin condenses into chromosomes |
| sister chromatid | structure that contains identical DNA copies and is formed uring DNA replication |
| spindle apparatus | structure mad of spindle fivers, centrioles, & aster fibers taht is incolced in moving & organizing chromosomes before the cell divides |
| telophase | last stage of mitosis in which nucleoli reappear |