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- 1. Multiple Choice
What do the brown structures represent?PhospholipidsGlycoproteinsChannel ProteinsCyctoskeleton Filaments - 2. Multiple ChoiceWhat is the name for a molecule that has a polar head region and a hydrophobic tail region?BihydrophicityAmphipathicHydrophilicDipolarity
- 3. Multiple ChoiceWhat molecule plays and important role in controlling cell membrane fluidity?InsulinTestosteroneTriglycerideCholesterol
- 4. Multiple ChoiceWhat is the movement of molecules from an area of high concentration to low concentration?MitosisDiffusionPassive TransportActive Transport
- 5. Multiple ChoiceWhat extracellular molecules aid in cell recognition and cell to cell binding?GlycoproteinsGlycolipidsProteoglycansAll of the above
- 6. Multiple ChoiceWhich of the following types of transport requires energy?PassiveActive
- 7. Multiple ChoiceWhich of the following factors does NOT determine the speed of diffusion?TemperatureDiameterpHConcentration Gradients
- 8. Multiple ChoiceOsmosis is the movement of __________ across a membrane?GlucoseWaterN+ ionsHydrogen Peroxide
- 9. Multiple ChoiceThe cell that is pictured here in is what type of solution?HypertonicIsotonicHypotonicNone of these
- 10. Multiple Choice_________ proteins are integral membrane proteins that form channels across the membrane through which some substances can pass.AnchoredGatedEmbededChannel
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