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4 Written questions

4 Multiple choice questions

  1. the movement of particles from regions of higher density to regions of lower density
  2. embedded in the membrane and help transport molecules in or out of the cell
  3. the contraction or shrinking of the cell membrane of a plant cell in a hypertonic solution in response to the loss of water by osmosis
  4. the bursting of a cell

4 True/False questions

  1. Osmosisthe diffusion of water or another solvent from a more dilute solution to a more concentrated solution through a membrane that is permeable to the solvent

          

  2. Contractile Vacuolein protozan, an organelle that accumulates water and then releases it periodically to maintain osmitic pressure

          

  3. Peripheral Proteinsembedded in the membrane and help transport molecules in or out of the cell

          

  4. Concentration Gradienta difference in the concentration (amount of a particular substance) of a substance across a distance