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SJE5 SCIENCE - Cells
Term | Definition |
---|---|
organism | any living thing for example plants, animals or a single-celled organism |
cell | basic unit of life, |
cell membrane | a thin, flexible barrier around a cell; controls what enters and leaves the cell |
cell wall | a rigid structure around the cell membrane that provides structural support and protection. (Found in plant cells) |
nucleus | directs all the cell's activities. It acts like the brain of the cell |
vacuole | storage bubbles found in animal and plant cells (larger in plant cells) used to store food and nutrients cells need to survive. They can also store waste products. |
mitochondria | generates energy the cell uses to do its jobs. They are called the "powerhouses" of the cell |
cytoplasm | a jellylike fluid inside the cell which gives the cell shape and holds the cell's parts |