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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 |