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parts of a cell
week 5 science vocab
| Term | Definition |
|---|---|
| nucleus | directs all of the cells activities "the brain of the cell" |
| cell wall | a stiff wall that surrounds the plant cell membrane, giving it a box shape |
| cell membrane | protects the cell and regulates what substances enter and leave; like a "screen door" |
| chloroplasts | capture energy from sunlight and use it to produce food for the cell; only in plant cells |
| mitochondria | most of the cell's energy is produced in these rod-shaped organelles |
| vacuoles | store food, water, waste, and other materials |
| cytoplasm | gel-like fluid where many different organelles are found |
| organelle | smaller structures within the cell that carry out specific functions |
| nuclear membrane | a double membrane enclosing a cell nucleus |
| protist | a single-celled or multi-celled organism with a simple biological structure ex: euglena, amoeba, paramecium, and volvox |