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5 Written questions

5 Matching questions

  1. pinocytosis
  2. isotonic
  3. carrier protein
  4. sodium-potassium pump
  5. cytolysis
  1. a the bursting of a cell.
  2. b a method of active transport across the cell membrane in which the cell takes in extracellular fluids.
  3. c a protein that transports substances across a cell membrane.
  4. d a carrier protein that uses ATP to actively transport sodium ions out of a cell and potassium ions into the cell.
  5. e describes a solution whose concentration is equal to the solute concentration inside a cell.

5 Multiple choice questions

  1. describes a solution whose solute concentration is higher than the solute concentration inside a cell.
  2. the movement of substances across a cell membrane without the use of energy by the cell.
  3. in biology, a state that exists when the concentration of a substance is the same throughout a space.
  4. a difference in the concentration of a substance across a distance.
  5. the pressure that is exerted on the inside of cell walls and that is caused by the movement of water into the cell.

5 True/False questions

  1. phagocytosisthe process by which a cell engulfs large particles or whole cells, either as a defense mechanism or as a means to obtain food.

          

  2. endocytosisthe process by which a cell membranes surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell.

          

  3. vesiclea cell that ingests and destroys (digests) foreign matter or microorganisms.

          

  4. hypotonicdescribes a solution whose solute concentration is lower than the solute concentration inside a cell.

          

  5. plasmolysisthe contraction or shrinking of the cell membrane of a plant cell in a hypertonic solution in response to the loss of water by osmosis.

          

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