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science 1
| Term | Definition |
|---|---|
| Organelle | A tiny cell structure that carries out a specific function within the cell. |
| Cell wall | A rigid layer of nonliving material that surrounds the cells of plants and some other organisms. |
| Cytoskeleton | A protein "framework" inside a cell that gives the cell a shape. |
| Cell membrane | The outside cell boundary that controls with substances can enter or leave the cell. |
| Nucleus | The control center of a eukaryotic cell that directs the cell's activities and contains information that determines the cell's form and function. |
| Cytoplasm | The material within a cell apart from the nucleus. |
| Mitochondria | Rod-shaped cell structures that convert energy in food molecules to energy the cell can use to carry out its functions. |
| Endoplasmic reticulum | A cell structure that forms passageways in which proteins and other materials are carried through the cell |
| Ribosome | A small grain-like structure in the cytoplasm of a cell where proteins are made. |
| Golgi body | A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell. |
| Chloroplast | A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food. |
| Vacuole | A sac inside a cell that acts as a storage area. |
| Lysosome | A small,round cell structure containing chemicals that break down large food particles into smaller ones. |
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bfragoso