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Biology Quiz 7.3
Cell Boundries
| Question | Answer |
|---|---|
| What does hypotonic mean? | Low concentration |
| What does hypertonic mean? | High Concentration |
| Thin flexible barrier that surrounds cells | cell membrane |
| A strong supporting layer around the membrane cells produce | Cell Wall |
| Double layered sheet that is the composition of nearly all cell membranes | Lipid bilayer |
| The mass of A solute in a given volume of solution, or mass/volume | Concentration |
| Particles move from an area where they are more concentrated to an area where they are less concentrated | Diffusion |
| When the concentration of a solute is the same throughout a system | Equilibrium |
| Diffusion of water through a selectively permeable membrane | Osmosis |
| "Same strength" | Isotonic |
| "Above strength" | Hypertonic |
| "Below strength" | Hypotonic |
| What would happen if your red blood cells were placed into a hypotonic solution? | The water from your cells would travel to the more concentrated area, so it could make it less concentrated |
| Substances move within cells and across cell membranes through the processes of _____ and _____ transport | Passive/Active |
| ______ ______ is the number of molecules or ions in one region is different than the number in another region | Concentration Gradient |
| Passive transport _____ require energy | does not |
| Active transport ____ require energy | does |
| Hypertonic | shrinks |
| Hypotonic | expands |
| Isotonic stays | equal |
Created by:
lespar18
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