Chapter 3.3-3.5 Quiz Biology I Mr. Cardona ID:A

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ciarra
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290069
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Chapter 3.3-3.5 Quiz Biology I Mr. Cardona ID:A
Updated:
2014-12-01 20:51:32
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biology 9midterm 9eoc
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Chapter 3.3-3.5 Quiz to study for midterm/EOC
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  1. 1. Which model did scientists develop to describe the cell membrane?

    A. phospholipid model
    B. fluid mosaic model
    C. transport model
    D. dynamic model
    B. fluid mosaic model
    (this multiple choice question has been scrambled)
  2. 2. What is a phospholipid composed of?

    A. a polar head and a nonpolar tail
    B. a nonpolar head and a polar tail
    C. a polar head and polar tail
    D. a nonpolar head adn nonpolar tail
    A. a polar head and a nonpolar tail
    (this multiple choice question has been scrambled)
  3. 3. Which phase best describes the property of selective pereability?

    A. all molecules pass
    B. large molecules pass
    C. some molecules pass
    D. all ions pass
    C. some molecules pass
    (this multiple choice question has been scrambled)
  4. 4. A ligand produces a response in a cell if it finds the right kind of

    A. carbohydrate
    B. hormone
    C. membrane
    D. receptor
    D. receptor
    (this multiple choice question has been scrambled)
  5. 5. Water moves into a cell when the solution surrounding the cell is

    A. isotonic.
    B. hypertonic.
    C. hypotonic.
    D. concentrated.
    C. hypotonic.
    (this multiple choice question has been scrambled)
  6. 6. What is the term for the diffusion of water across a semipermeable membrane?

    A. equilibrium
    B. isotonic
    C. osmosis
    D. transport
    C. osmosis
    (this multiple choice question has been scrambled)
  7. 7. The movement of molecules down a concentration gradient through transport proteins in the cell membrane is a type of

    A. energy expenditure.
    B. selective transport.
    C. osmosis.
    D. facilitated diffusion.
    D. facilitated diffusion.
    (this multiple choice question has been scrambled)
  8. 8. Unlike passive transport, active transport requires

    A. vesicles.
    B. energy from the cell.
    C. concentration gradient.
    D. diffusion.
    B. energy from the cell.
    (this multiple choice question has been scrambled)
  9. 9. Which process uses proteins to move molecules against a concentration gradient?

    A. passive transport
    B. active transport
    C. phagocytosis
    D. endocytosis
    B. active transport
    (this multiple choice question has been scrambled)
  10. 10. A membrane-bound sac used to transport substances into and out of the cell is a

    A. pump.
    B. lysosome.
    C. macrophage.
    D. vesicle.
    D. vesicle.
    (this multiple choice question has been scrambled)

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