click below
click below
Normal Size Small Size show me how
science ch. 3
cells and organisms
| Term | Definition |
|---|---|
| cell cycle | Most cells in an organism go through a cycle of growth, development, and division. |
| interphase | The period during the cell cycle of a cell's growth and development. |
| sister chromatids | Two identical chromosomes, make up a duplicated chromosome. |
| centromere | Sister chromatids are held together by a structure. |
| mitosis | The nucleus and its contents divide. |
| cytokinesis | The cytoplasm and its contents divide. |
| daughter cells | The two cells that result from mitosis and cytokinesis. |
| cell differentation | The process by which cells become different types of cells. |
| stem cells | Unspecialized cells that are able to develop into many different cell types. |
| tissues | Groups of similar types of cells that work together to carry out specific tasks. |
| organs | Groups of different tissues working together to perform a particular job. |
| organ systems | Groups of different organs that work together to complete a series of tasks. |
| complex | made of two or more parts |
| fiber | a long muscle cell |