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5 Written Questions

5 Matching Questions

  1. Hypertonic solution
  2. Three Types of Passive Transport: 1. Diffusion
  3. Transport Across Cell Membranes: Selective Transport
  4. Cell Membrane Function: Apoptosis
  5. Hypotonic solution,
  1. a when the lysosome bursts and releases it's digestive enzymes into the cell resulting in cell destruction
  2. b has a higher concentration of solute compared to the inside of the cell
  3. c the net movement of particles from an area of high concentration to an area of low concentration
    - no energy is expended
    - in a cell very small particles can cross the cell membrane by moving between the phospholipid molecules
  4. d has a lower concentration of solute compared to inside the cell
  5. e the movement of only certain substances across the cell membrane

5 Multiple Choice Questions

  1. filters toxic wastes that accumulate in the blood while retaining necessary proteins, glucose, amino acids & ions
  2. the cell membrane forms a pocket around the material to be transported, then either pinches off as a vesicle or a vacuole.
  3. a cell membrane prevents many materials from entering the cell.
  4. The cell wall of a plant resists the pressure of a water-filled vacuole keeping the plant firm
  5. Cell membranes are semi-permeable allowing some materials to cross, while excluding others. They can select a) by particle size
    - small enough to enter membrane - O2 H2O
    - too large to cross - sugar
    b) particular materials to transport across (they bind to chemicals based on their size shape or charge)

5 True/False Questions

  1. Isotonic solutionhas a lower concentration of solute compared to inside the cell

          

  2. Transport proteinsThe cell wall of a plant resists the pressure of a water-filled vacuole keeping the plant firm

          

  3. Phospholipid bilayereach phospholipid molecule has a head that is hydrophilic (water-loving) and two tails that are hydrophobic (water-fearing)

          

  4. Differentiate between a Vacuole & Vesicle.all matter is made of tiny particles

          

  5. Two types of Endocytosis:a) phagocytosis - when cells "eat" by taking in large particles or other cells
    b) pinocytosis - when cells "drink" by taking in droplets of fluid

          

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