Cell Membrane: Structure And Function Quiz

11 Questions
Cell Membrane: Structure And Function Quiz

Homework for October 25. Please use your full name.

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Questions and Answers
  • 1. 
    • A. 

      Made of carbohydrates

    • B. 

      Made of proteins

    • C. 

      Made of nucleic acids

    • D. 

      Hydrophobic

    • E. 

      None of the above

  • 2. 
    A membrane is permeable to hydrogen, but impermeable to sodium ions.  Which molecule cannot move into the cell?
    • A. 

      Hydrogen

    • B. 

      Sodium ions

    • C. 

      Both hydrogen and sodium ions

    • D. 

      Neither

  • 3. 
    Cell membranes are constructed mainly of...
    • A. 

      Phospholipid bilayers

    • B. 

      Protein pumps

    • C. 

      Glycoproteins

    • D. 

      Carbohydrates

    • E. 

      Cholesterol

    • F. 

      Transport proteins

  • 4. 
    • A. 

      It allows substances to freely enter and exit the cell.

    • B. 

      It controls which substances enter and exit the cell.

    • C. 

      It prevents substances from entering the cell.

    • D. 

      It prevents substances from leaving the cell.

  • 5. 
    • A. 

      Carbohydrate

    • B. 

      Cholesterol

    • C. 

      Protein

    • D. 

      Lipid

  • 6. 
    What is the function of the carbohydrates in the cell membrane?
    • A. 

      Pumps and channels

    • B. 

      Communication

    • C. 

      Strength

    • D. 

      Break down organelles

  • 7. 
    • A. 

      Made of carbohydrates

    • B. 

      Made of proteins

    • C. 

      Made of nucleic acids

    • D. 

      Hydrophilic

    • E. 

      None of the above

  • 8. 
    • A. 

      Cellular transport

    • B. 

      Photosynthesis

    • C. 

      Cellular respiration

    • D. 

      None of the above

  • 9. 
    This process stores energy for the cell in the form of sugar.
    • A. 

      Phospholipid bilayer

    • B. 

      Diffusion

    • C. 

      Photosynthesis

    • D. 

      Cellular respiration

  • 10. 
    This process releases energy stored in sugar.
    • A. 

      Cellular respiration

    • B. 

      Photosynthesis

    • C. 

      Active transport

    • D. 

      Diffusion

  • 11. 
    This energy-rich molecule, produced by cellular respiration, is vital for the functioning of the cell.
    • A. 

      Sugar

    • B. 

      Oxygen

    • C. 

      Carbon dioxide

    • D. 

      Water

    • E. 

      ATP