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5 Written questions

5 Matching questions

  1. Membranes at Work 3. Controlled Delivery of Medications
  2. Membranes at Work 2. Kidney Dialysis
  3. Protein position within a membrane:
    Integral proteins
  4. Particle Model of Matter
  5. Three Types of Passive Transport 3.Facilitated Diffusion
  1. a Integral proteins extend through the entire bilayer and project from both surfaces
  2. b all matter is made of tiny particles
  3. c filters toxic wastes that accumulate in the blood while retaining necessary proteins, glucose, amino acids & ions
  4. d diffusion of molecules across the cell membrane by way of transport proteins.
  5. e medication can be placed in a flat transdermal patch that sticks to the skin. A semi-permeable membrane lining the inner surface allows drugs to diffuse out of the patch at a slow, constant rate.

5 Multiple choice questions

  1. a cell membrane prevents many materials from entering the cell.
  2. the diffusion of water molecules across a membrane (water molecules move from where they are more highly concentrated to where they are less concentrated)
  3. Cell membrane molecules are in constant motion (drifting past each other) resulting in:
    a) membrane flexibility
    b) cell's ability to change shape
  4. Know and be able to label a phospholipid bilayer diagram
  5. Loss of water in a plant cell resulting in WILTING

5 True/False questions

  1. ENDOCYTOSISthe cell membrane forms a pocket around the material to be transported, then either pinches off as a vesicle or a vacuole.

          

  2. Three Types of Passive Transport: 1. Diffusionthe diffusion of water molecules across a membrane (water molecules move from where they are more highly concentrated to where they are less concentrated)

          

  3. Cell Membrane Function: A Selective Filtera cell membrane prevents many materials from entering the cell.

          

  4. Hypotonic solution,has a higher concentration of solute compared to the inside of the cell

          

  5. Protein position within a membrane:
    Peripheral proteins
    Integral proteins extend through the entire bilayer and project from both surfaces

          

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