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Science 11.2 vocab
| Term | Definition |
|---|---|
| Cell membrane | a flexible covering that protects the inside of a cell from the environment outside a cells |
| Cell wall | a stiff structure outside the cell membrane |
| Cytoplasm | a fluid inside a cell that contains salts and other molecules |
| Cytoskeleton | a network of threadlike proteins that are joined together |
| Organelles | have specialized functions most are surrounded by membranes |
| Nucleus | the part of a eukaryotic cell that directs cell activities and contains genetic information stored in DNA |
| Chloroplasts | membrane-bound organelles that use light energy and make food, a sugar called glucose, from water and carbon dioxide in a process known as photosynthesis |