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CellsDS
Cells Vocab
| Term | Definition |
|---|---|
| Cell Theory | The theory that cells are the basic units of structure and function in living organisms. |
| Cell Wall | Tough, rigid outer coverings that protect cells and give them shape |
| Cell Membrane | The protective layer surrounding every cell |
| Cytoplasm | A gelatinlike (Jell-O) that constantly flows inside the cell membrane |
| Ribosome | Small proteins made by cells on small structures |
| Organelle | Structures inside the cytoplasm of eukaryotic cells |
| Nucleus | Where all cellular activities are directed |
| Chloroplast | Contains the green pigment chlorophyll, which gives stems and leaves their colors. |
| Mitochondrion | Organelles where energy is released when food is broken down into carbon dioxide and water. |
| Endoplasmic Reticulum | A series of folded membranes in which materials can be processed and moved around inside of the cell |
| Golgi Body | Stacked, flattened membranes |
| Tissue | A group of similar cells that work together to do one job |
| Organ | A structure made up of two or more different types of tissues that work together |
| Organ System | A group of organs working together to perform a certain function |