| Term | Definition |
|---|
| Eukaryotic cells | cells that contain a nucleus and other orgnelles that are enclosed in a membrane |
| prokaryotic cells | are cells that do not have a nucleus or membrane-bound organelles |
| nucleus | a large structure inside a cell that contains genetic material and controls the cell's activities |
| chromatin | a granular material that is spread throughout the nucles that is made up of DNA |
| chromosomes | threadlike structures that contain the genetic information that is passed from one generation to another |
| nucleolus | a dense region inside the nucleus where ribosomes are assembled |
| ribosomes | small structures made of RNA and protein that are assembled in the nucleolus |
| nuclear membrane | a membrane that regulates materials that can enter of leave the nucleus |
| cell membrane | a thin flexible barrier that surrounds the cell foound in animal cells |
| cell wall | a rigid structure that surrounds a plant cell |
| cytoplasm | a liquid material located insie a cell between the cell membrane and the nucleus |
| organelles | term that means tiny organs |
| edoplasmic reticulum | an organelle that makes parts of the cell membrane and chemically changes some proterins |
| smooth endoplasmic reticulum | ER that does not have ribosomes attached to its surface |
| golgi vesicles | their function is to attach carbohydrates (sugars and lipids (fats) to the proteins |
| lysosomes | organelles that break down large food particles that are taken into the cell and organelles that are no longer needed by the cell |
| mitochondria | organelles responsible for relasing energy from stored food molecules to poer all cellular functions |
| chloroplast | contain the green pigment chlorophyll that gives plant their green color |
| chlorophyll | a green pigment in the cloroplast that is used to make food for plants |
| vacuole | a large central structure that is used to store water and other disolved materials |
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