Biology Section 3.4 Word Scramble
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Question | Answer |
What is passive transport? | The movement of a substance across a membrane DOWN the concentration gradient. |
Is diffusion passive or active transport? | Passive because solutes go from higher concentration to lower concentration. |
What is concentration gradient? | the process of particles moving through a solution from an area of higher number of particles to an area of lower number of particles. |
How do we know when a system has reached equilibrium? | when both sides are moving equally |
What is osmosis? | Diffusion of water across a selectively permeable membrane |
How does osmosis relate to solute concentrations? | When solute concentration is lower, the concentration of water is higher, and when the solute concentration is higher, the concentration of water is lower. |
Isotonic solution | When the concentration of two solutions is the same |
Hypertonic solution | when comparing two solutions, the solution with the greater concentration of solutes |
Hypotonic solution | when comparing two solutions, the solution with the lesser concentration of solutes |
Compare Passive Transport and Facilitated Diffusion | They both move things across cell membranes going from high to low. |
Contrast Passive Transport and Facilitated Diffusion | Passive transport slips through the membrane, but diffusion needs help from protein. |
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