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Cells
| Cellular component | Function |
|---|---|
| Cell wall | To maintain the shape of the cell |
| Plasma membrane | To control the movement of substances in and out of the cell |
| Cytoplasm | Act as a medium for metabolic reaction and supplies the substances required by the organelles |
| Nucleus | Control and regulates all activities of the cell.Contains heriditary factors. |
| Ribosomes | Synthesis of protein |
| Rough endoplasmic reticulum | Transport the protein synthesised by the ribosomes and to other part of the cell |
| Smooth endoplasmic reticulum | Stimulates the synthesis of lipids and cholesterol and transport them within the cell |
| Golgi apparatus | Receive,pack and secrete proteins |
| Mitochondria | Act as a "power house" of the cell and releases energy for aerobic respiration |
| Lysosome | Contains enzyme which control the breakdown of protein and lipids |
| Centrioles | Formation of spindle fibre during cell division |
| Chloroplast | Contains chrophyll to absorb sunlight and releases energy for photosynthesis |
| Vacuole | Maintains the turgidity of the cell |