Membranes And Transport

8 Questions

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Transport Quizzes & Trivia

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Questions and Answers
  • 1. 
    Integral proteins can span the cell membrane because they are
    • A. 

      Hydrophobic

    • B. 

      Hydrophilic

    • C. 

      Amphipathic

    • D. 

      Sandwiched by phopsholipids

  • 2. 
    • A. 

      Unsaturated phospholipids because of kinked tails

    • B. 

      Saturated phospholipids with occasional cholesterols attached

    • C. 

      Unsaturated fats with unkinked tails

    • D. 

      Saturated fats with large amounts of water trapped inside

  • 3. 
    • A. 

      Size of the solute particles

    • B. 

      Amount of solute in the solutions

    • C. 

      Types of proteins in the membrane

    • D. 

      The color of the solute used

  • 4. 
    In lab,  you place a grape into a beaker of salt water and another grape into a beaker of sugar water.  Which would, without a doubt, shrink?
    • A. 

      The grape in the sugar water

    • B. 

      The grape in the salt water

    • C. 

      Both

    • D. 

      Neither

  • 5. 
    • A. 

      Active transport requires ATP and passive transport does not

    • B. 

      Active transport uses carrier and passive transport never does

    • C. 

      Passive transport moves from higher to lower concentration and active moves from lower to higher concentration

    • D. 

      Passive transport can move small molecules and active transport moves large or charged molecules

  • 6. 
    • A. 

      A cell releasing its hormone products

    • B. 

      A white blood cell consuming a bacterium

    • C. 

      Beta cells of the pancreas releasing insulin

    • D. 

      Attachment of an ATP to a protein

  • 7. 
    • A. 

      Pure water

    • B. 

      Glucose water

    • C. 

      Saline water

  • 8. 
    • A. 

      Anchor proteins

    • B. 

      Promotes fluidity

    • C. 

      Act as transporters

    • D. 

      Cell to cell recognition