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Cell Organelles1
and their functions
| Question | Answer |
|---|---|
| Endoplasmic Reticulum | interconnected membranes with spaces between them forming canals; has openings to the outside of the call and is connected to certain other organelles and to the nuclear membrane |
| Ribosomes | responsible for the synthesis of protein molecules |
| Golgi Apparatus | responsible for the synthesis of carbohydrate molecules for export from the cell |
| Mitochondria | energy source of the cell, ATP synthesis. "Powerhouse of the cell". Present in great numbers in muscle tissue |
| Lysosomes | capable of breaking down and digesting molecules of protein and carbohydrates when their enzymes are released. White blood cells have a great number of lysosomes |
| Centrioles | help form spindles that appear during mitosis (cell division) |
| Cell Nucleus | directs activities of the cell; contains relatively large quantities of DNA |
| Microvilli | tiny hair like projections of the cytoplasmic membrane located only in the small intestine to facilitate absorption by increasing surface area |
| Cilia | small hair like projections of the cytoplasmic membrane located in the respiratory system acting to propel mucous upward |
| Flagella | a single projection, such as found on a sperm cell allowing for propulsion of that cell |
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