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Cell/cell theory
cell and cell theory vocab
| Term | Definition |
|---|---|
| cell | smallest functional and structural unit of all organisms. |
| cell membrane | Protects the inside of the cell from the environment around the cell and regulates what enters/leaves the cell. |
| cytoplasm | Area between cell memberane and nucleus, all organelles located here. |
| organelle | Found in cytoplasm, perform a specific function. |
| nucleus | Contains the genetic information of the cell. |
| prokaryote | Single celled organisms with NO nucleus or membrane-bound organelles and is smaller than a eukaryote |
| eukaryote | Organism made up of cells that contain their DNA in a nucleus and have membrane-bound organelles, many are multicellular. |
| cell theory | States that organisms are made up of one or more cells, cells are the basic unit of life, and that all cells come from other cells. |
| mitosis | Process of cell division where an equal number of chromosomes are separated and the nucleus splits to form two identical nucli. |
| chromosomes | Threadlike structure in the nucleus that carries DNA. |
| mitochondria | Produce energy for the cell. Breaks down food molecules to release energy by cellular respiration. |
| chloroplasts | Uses carbon dioxide, water and sunlate to make food by photosynthesis. |
| cell wall | Found in plant cells. Supports and protects the cell. |