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BioStudentChpt8Bio
Chapter 8 Biology Membrane Structure and Function
| Membrane | |
|---|---|
| Structure of Animal cell's plasma membrane | Fibers of extracellular matrix, glycoprotein, carbohydrate, glycolipid, filaments of cytoskeleton, cholesterol, peripheral protein, integral protein, cytoplasm on one side and extraccellular fluid on the other |
| Freeze fracture method | When a researcher uses the freeze-fracture method the membrane proteins are the "bumps" after the layer of platinum is sprayed. It shows that proteins aren't spread across the surface, that they are embedded in the fluid bilayer |
| Basic Structure | The hydrophilic region of the protein is facing the water along with the hydrophilic heads and the hydrophobic part of the protein is in the phospholipid bilayer with the hydrophobic tails. The proteins are interspersed throughout the membrane. |
| Fluid Mosaic | The model of the membrane is shown as a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids. |
| Phospholipids | the most abundant lipids in most membranes. a phospholipid is an amphipathic molecule ( it has both a hydrophilic and hydrophobic region). |
| What membrane proteins do | not very soluble in water, amphipathic. dispersed and individually inserted into the phospholipid bilayer. |
| What cholesterol does in a membrane | (blank) |
| Oligasaccharides | (blank) |
| Endomembrane model for formation of membranes | (blank) |
| Carrier proteins | (blank) |
| Passive Transport | (blank) |
| Active Transport | (blank) |
| U-Shaped Osmosis | (blank) |
| Facilitated Diffusion | (blank) |
| Nerve cells | (blank) |
| Gated Ion channels | (blank) |
| Membrane Potential | (blank) |
| Sodium-potassium pump | (blank) |
| ions go down their electrochemical gradient | (blank) |
| How plants use sucrose | (blank) |
| What plants use to get sucrose into the cell | (blank) |
| Coated Pits | (blank) |
| Proton Pump | (blank) |
| Phagocytosis | (blank) |
| Pinocytosis | (blank) |
| Receptor-mediated | (blank) |
| Osmosis | (blank) |
| Diffusion | (blank) |
| Bilayer | (blank) |
| Globular Proteins | (blank) |
| Saturated | (blank) |
| Unsaturated | (blank) |
| Membranes are used for | (blank) |
| Hypertonic | (blank) |
| Isotonic | (blank) |
| Hypotonic | (blank) |
| Facilitated | (blank) |
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BioStudent
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