HB: Chapter 3 Word Scramble
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Term | Definition |
Active Transport | Movement of material against the concentration gradient. low to HIGH. Requires ATP |
Diffusion | Movement of material with concentration gradient. HIGH to low. No energy required. |
Endocytosis | Bulk moment of material into the cell. Cell 'swallowing'. Macrophage engulfing bacteria. |
Exocytosis | Bulk movement of material out of cell. Neurotransmitters release. |
Golgi Apparatus | Organelle. Modifies cellular material for extracellular transport. |
Metabolism | Sum of all chemical reactions. |
Mitochondria | Organelle. Converts organic material into ATP. |
Osmosis | Diffusion of water. Water goes in the direction of greater solute concentration. |
Passive Transport | Movement of material across a cellular membrane. |
Plasma Membrane | Composed of lipids and proteins, this organelle regulates what enters and leaves the cell. Also has proteins responsible for receiving signals from other cells. |
Ribosome | Organelle responsible for protein synthesis. |
Sodium-Potassium Pump | Transport proteins that regulate a concentration gradient of Na+ and K+. |
Vesicles | Intercellular transport structure. |
Cellular Respiration | Process that converts organic material into usable energy for the cell. Occurs in the mitochondria |
Glycolysis | First step of cellular respiration. Splits glucose into two pyruvates and generates 2 ATP. |
Hypertonic | The solution with a greater solute concentration |
Hypotonic | The solution with a lower solute concentration |
Isotonic | When both sides are of equal solute concentration. |
Receptor Protein | Shape specific proteins that receive signals from other cells. |
Lysosome | Digestive organelle. Uses hydrolytic enzymes and a lower pH to catabolize material. |
Cytoskeleton | Loose network of fibers (microtubules and micorfilaments) that give structure and support within a cell. |
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