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Cell Parts
All about the INSIDE of Cells
| Term | Definition |
|---|---|
| Organelles | The general name of tiny cell structures that carry out specific functions within the cell. |
| Cell Wall | A rigid layer that surrounds the cells of plants and some other organisms, it protects and supports the cell. |
| Cell Membrane | Controls which substances pass into and out of a cell. |
| Nuclear Membrane | The double membrane surrounding the nucleus within a cell. Also called the nuclear envelope. |
| Nucleolus | Small round structure in the nucleus where ribosomes are made. |
| Chromatin | Thin strands of material that fill the nucleus, contains information for directing the cells function. |
| Nucleus | Control center of the cell, directs all of the cells activities. |
| Ribosomes | Small grain-shaped organelles that produce proteins. |
| Cytoplasm | Jelly-like substance that fills all the open areas in the cell. |
| Mitochondria | Rod-shaped structures that convert energy from food into energy for the cell, nicknamed the “powerhouse” |
| Endoplasmic Reticulum | The ER forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another. |
| Golgi apparatus | Receives proteins and other newly formed materials from the ER, packages them, and distributes them to other parts of the cell or outside the cell wall. |
| Vacuole | Stores water, food, and other materials needed by the cell, they can also carry waste products until it is removed. |
| Chloroplasts | Captures energy from the sunlight and changes it to a form of energy cells can use in making food. |
| Lysosomes | Contains substances that break down large food particles into smaller ones. |