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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. |