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biology
biology study stack
| term | Definition |
|---|---|
| cell | the basic unit of life |
| cell theory | fundamental concept of biology that states all living things are composed of cells |
| cell membrane | flexible barrier that surrounds all cells |
| nucleus | structure that contains the cell's genetic material in the form of DNA |
| eukaryotic | organism whose cells contain a nucleus |
| prokaryote | unicellular organism that lacks a nucleus |
| cytoplasm | fluid portion of the cell outside the nucleus |
| organelle | specialized structure that preforms important cellular functions within a eukaryotic cell |
| vacuole | cell organelle that stores materials such as water salts proteins and carbohydrates |
| lysosome | cell organelle that breaks down lipids and carbohydrates and proteins into small molecules that can be used by the rest of the cell |
| cytoskeleton | network of protein filaments in a eukaryotic cell that gives the cell its shape |
| centriole | structure in an animal cell that helps to organize cell division |
| ribosome | |
| endoplasmic reticulum | internal membrane system found in eukaryotic cells |
| golgi apparatus | cells that modifies sorts and packages protein and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell |
| chloroplast | |
| mitochondrion | cell organelle that converts chemical energy into food compounds that are more convenient for the cell to use |