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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 |