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Animal Eukaryotics
IB SL Biology - Topic 2: Cells
| Question | Answer |
|---|---|
| Plasma Membrane | Controls movement of substances in and out of the cell and acts as protective barrier |
| Cytoplasm | Viscous fluid that surrounds organelles, site of metabolic activity |
| Rough Endoplasmic Reticulum | Main site of protein synthesis, contains ribosomes |
| Smooth Endoplasmic Reticulum | Produces sex hormores, phospholipids and cellular lipids |
| Lysosome | Sacs containing hydrolytic enzymes, used by phagocytes to digest ingested particles |
| Golgi Apparatus | Stores, modifies and packages proteins |
| Vacuoles | Storage and hydrolytic functions |
| Centrioles | Composed of microtubles, used in nuclear division |
| Nucleolus | Dense structure involved in ribosome synthesis |
| Mitochondria | Carry out respiration |
| Nuclear pore | Allows communication between nucleus and rest of cell |
| Nucleus | Compartment of DNA |
| Nuclear envelope | Double membrane bordering nucleus |