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CH 10 L2 Vocabulary
CH 10 Lesson 2 Vocabulary
Term | Definition |
---|---|
cell membrane | a flexible covering that protects the inside of the cell from the environment outside the cell. |
cell wall | stiff structure outside the cell membrane |
cytoplasm | fluid inside the cell that contains salts and other molecules |
cytoskeleton | network of threadlike proteins that are joined together |
organelles | structures with specialized functions that are surrounded by membranes |
nucleus | part of the eukaryotic cell that directs cell activities and contains genetic information stored in DNA. |
mitochondria | where energy processing occurs in the cell |
chloroplasts | membrane bound organelles that use light energy to make food, a sugar called glucose, from water and carbon dioxide in a process known as photosynthesis. |
Vacuole | store food, water, and waste material in the cell. Plant cells have ONE large vacuole. Animal cells have many small vacuoles. |