| A | B |
|---|
| cell cycle | the life cycle of the cell |
| chromosome | threadlike structures of DNA and protein |
| binary fission | "splitting into two parts"; cell division in bacteria (prokaryotes) |
| homologous chromosomes | chromosomes with matching information |
| chromatids | the two copies of chromosomes that have been duplicated; identical chromosome copies |
| centromere | the region that holds chromatids together when a chromosome is duplicated |
| mitosis | nuclear division in eukaryotic cells in which each cell receives a copy of the original chromosomes |
| cytokinesis | the process in which the cytoplasm divides after mitosis |
