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Looking Inside Cells
Bonnie Branch 7th Grade - 1-3 / Looking Inside Cells
Term | Definition |
---|---|
cell: | basic unit of structure and function in living things |
cell membrane | thin structure that surrounds and protects the cell. Lets materials in or out |
cytoplasm | a clear, jelly-like substance that holds organelles; where most cell activity takes place |
nucleus | control center of a cell |
nuclear membrane: | thin structure that surrounds and protects the nucleus |
organelle | small structure in the cytoplasm that does a special job |
mitochondrion | structure that releases energy for a cell |
endoplasmic reticulum (ER) | a small network/maze of passageways that transport materials throughout the cell |
ribosome | small round structure that makes proteins |
golgi body | organelle that packages and sends materials to other places in the cell |
vacuole | space in the cytoplasm that stores the different substances |
lysosome | small, round structure that breaks down nutrient molecules and old cell parts |
cell wall | thick outer layer that surrounds the membranes of plants and some simple organisms |
chloroplast | organelle in a plant cell that contains chlorophyll |
chlorophyll | green material in chloroplasts that is needed by plants to make food |