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Organelle Functions
These are the functions of the organelles found in plant and animal cells.
| Term | Definition |
|---|---|
| cell membrane. | A thin flexible barrier around a cell; controls what enters and leaves the cell. |
| mitochondria. | |
| Site of cellular respiration in eukaryotic cells; uses oxygen to break down organic molecules and release energy (ATP). | |
| lysosome. | |
| A small, round cell structure containing enzymes that break down large food particles and old cell parts. | |
| cytoplasm. | |
| A jellylike fluid that fills the inside of the cell. | |
| microtubules. | |
| Thick hollow tubes that are used to move cell organelles during cell division. | |
| ribosome. | |
| Site of protein synthesis, where proteins are made. Sometimes attached to the endoplasmic reticulum. | |
| nucleolus. | |
| Found inside the nucleus and produces ribosomes. | |
| Golgi body. | |
| Also called the Golgi apparatus or Golgi. Organelle that packages and distributes molecules produced by the eukaryotic cell. | |
| smooth endoplasmic reticulum. | |
| That portion of the endoplasmic reticulum that lacks ribosomes. Involved in the production of fats and steroid hormones. | |
| rough endoplasmic reticulum. | |
| An organelle covered with ribosomes where many proteins are assembled and packaged for transport. | |
| nuclear membrane. | |
| A membrane that separates the nucleus from the cytoplasm and controls what goes in and out of the nucleus. | |
| nucleus. | |
| A cell structure that contains DNA, the chemical instructions that direct all the cell's activities. | |
| vacuole. | |
| Cell organelle that stores materials such as water and waste. | |
| cell wall. | |
| A rigid structure that surrounds the cell membrane and provides support to the cell. Not found in animal cells. | |
| chloroplast. | |
| A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food. |
Created by:
lindamorton
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