| A | B |
| cell cycle | sequence of growth and division of a cell |
| centriole | small dark cylindrical structures that are made of microtubles |
| centromere | holds chromatids together by this structure |
| chromatin | long strands of DNA |
| chromosomes | short stringy structures around the nucleus |
| cytokinesis | when the cell's cytoplasm divides in a process called |
| interphase | growth period of cell division |
| metaphase | the short second phase of mitosis |
| mitosis | process by which two daughter cells are formed |
| organ | tissues organize to form these |