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Cell Organelles
Term | Definition |
---|---|
Nucleus | Brain of the cell; directs all cell activities. |
Cell membrane | Acts as a doorway or gate allowing certain materials in and out of the cell. |
Cell wall | Gives shape and support; made up of cellulose. |
Mitochondria | Powerhouse of the cell; where food is turned into usable energy, called ATP. |
Lysosomes | Acts as garbage collectors of the cell; contains digestive enzymes that destroy any cellular waste. |
Chloroplasts | Green organelle that is filled with chlorophyll; where photosynthesis takes place. Only found in plant cells. |
Vacuoles | Stores water and nutrients in the cell; it is a storage tank. |
Cytoplasm | Constantly moving gelatin like material of the cell; it contains all of the other cell organelles. |
Nucleolus | Produces RNA. |
Ribosomes | Makes proteins. |
Golgi Body (Golgi Apparatus) | Processes, packages, and secretes proteins. |
Endoplasmic reticulum | The transportation system of the cell. It transports proteins throughout the cell. |
Robert Hooke | Discovered cells. |
Robert Brown | Discovered the nucleus of a cell. |
Schwann and Schleiden | Developed the cell theory. |