| A | B |
|---|
| diffusion | process by which molecules of a substance move from areas of higher concentration of that substance to areas of lower concentration of that substance |
| selectively permeable | cell membrane permits only certain substances to diffuse into the cell |
| osmosis | diffusion of water into or out of the cell; keeps the cell from drying out |
| active transport | a process by which the cell uses energy to carry a substance into or out of the cell |
| cell division | one cell divides into two cells |
| chromatin | during division, chromosomes appear as these threadlike coils |
| mitosis | process by which the nucleus of a cell divides into 2 nuclei and the formation of 2 new daughter cells begins |
| interphase | chromosomes are copied |
| prophase | mitosis begins |
| metaphase | chromosomes attach to the spindle |
| anaphase | chromosomes begin to separate |
| telophase | 2 new nuclei form |
| cytokinesis | 2 daughter cells form |
