| Term | Definition |
| cell cycle | cycle of growing and dividing |
| prophase | spindle fibers attach to sister chromatids and the nuclear envelope seems to disappear |
| metaphase | sister chromatids are pulled toward the center of the cell and line up in the middle |
| anaphase | the chromatids are pulled apart as the spindle apparatus begins to shorten and the sister chromatids separate toward the poles of the cell |
| telophase | the chromosomes arrive at the poles and begin to condense |
| cytokinesis | cytoplasm divides |
| cell plate | forms between 2 daughter nuclei in plant cell division |
| cancer | uncontrolled growth and division of cells; failure in the regulation of the cell cycle |
| carcinogens | substances and agents known to cause cancer |
| apoptosis | programmed cell death |
| mitosis | the result of this process is two new identical daughter cells |
| stem cells | unspecialized cells that can develop into specialized cells under the right conditions |