Cell Transport: Vocabulary Test

25 Questions | Total Attempts: 537

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Cell Transport: Vocabulary Test

Welcome to the Electronic Frontier Classroom of the 21st Century. This test covers homeostasis and cell transport topics and vocabulary terms. Cell membranes help organisms maintain homeostasis by controlling what substances may enter or leave cells. As a "fill-in" type question appears during this test. Please enter your answer(s) using all lower case letters, unless you are given specific instructions at the question site. I wish you good luck and good road ahead in your life science studies.


Questions and Answers
  • 1. 
    The pressure that water molecules exert against the cell wall is called _____ _____.    (Section 1)
  • 2. 
    The movement of a substance down the substance's concentration gradient is called a(n)_____.
  • 3. 
    ____ solution causes a cell to shrink because of osmosis.
  • 4. 
    ____ is the movement of a substance by a vesicle to the outside of a cell.
  • 5. 
    _____ - _____ _____ is an example of a cell membrane "pump".
  • 6. 
    The carrier protein is used to transport specific substances across a membrane.
    • A. 

      True

    • B. 

      False

  • 7. 
    A cation channel is not used to transport proteins through the membrane.
    • A. 

      True

    • B. 

      False

  • 8. 
    _____ is the movement of a substance by a vesicle to the inside of a cell.
  • 9. 
    _____ _____ does not require energy or ATP from the cell to operate.
  • 10. 
    When the concentration of molecules are equal throughout a cell, it is called a(n)_____.
    • A. 

      Diffusion

    • B. 

      Equilibrium

    • C. 

      Hypertonic solution

    • D. 

      Hypotonic solution

  • 11. 
    The concentration _____ is the difference in the concentration of molecules across a space within the cell membrane.
  • 12. 
    Osmosis is the diffusion of glucose molecules through a cellular membrane.
    • A. 

      True

    • B. 

      False

  • 13. 
    Which organelle is used by organisms to pump water out of the cell?
    • A. 

      Mitochdonrion

    • B. 

      Ribosomes

    • C. 

      Contractile Vacuole

    • D. 

      Nucleus

    • E. 

      Water pump

  • 14. 
    ____ diffusion is a passive transport using carrier proteins.
  • 15. 
    Hypotonic solution has the concentration of both solutions which are equal.
    • A. 

      True

    • B. 

      False

  • 16. 
    Name the mechanism that involves the movement of a substance against the substance's concentration gradient.
  • 17. 
    Hypertonic solution causes a cell to shrink because of osmosis.
    • A. 

      True

    • B. 

      False

  • 18. 
    A vesicle is an organelle that fuses with mitochondrion in order that contents can be digested.
    • A. 

      True

    • B. 

      False

  • 19. 
    Which of the follow organism(s) have contractile vacuoles to remove large amounts of water from the cell.
    • A. 

      Bacteria

    • B. 

      Bird egg shells

    • C. 

      Paramecia

    • D. 

      Mushrooms

    • E. 

      Tigers

  • 20. 
    There are two (2) main types of endocytosis based on the kind of material that is taken into a cell.  Which two are correct answers listed below?
    • A. 

      Diffusion + Ion channels

    • B. 

      Pinocytosis + Phagocytosis

    • C. 

      Active Osmosis + Passive Transport

    • D. 

      Phagocytosis + Passive Transport

    • E. 

      Sodium-Potassium Pump + Iron-Sodium Pump

  • 21. 
    In a _____ environment, water leaves the cells through osmosis, cells shrink away from the cells walls, and the loss of turgor pressure.
    • A. 

      Hypertonic

    • B. 

      Hypotonic

    • C. 

      Isotonic

    • D. 

      Mesotonic

  • 22. 
    In a hypertonic environment, water leaves the cells through osmosis, cells shrink away from the cells walls, and the loss of turgor pressure.  What is the name assigned to this condition?
  • 23. 
    In a _____ environment, water diffuses into the cells, causing them to swell and eventually burst. The bursting of cells is called cytolysis.
    • A. 

      Hypertonic

    • B. 

      Hypotonic

    • C. 

      Isotonic

    • D. 

      Pelotonic

  • 24. 
    In a hypotonic environment, water diffuses into the cells, causing them to swell and eventually burst. The bursting of cells is called facilitated diffusion.
    • A. 

      True

    • B. 

      False

  • 25. 
    Ion channels involves transporting ions from higher to lower concentrations. Which of the following ions is NOT found in the plasma membrane?
    • A. 

      Chloride ion

    • B. 

      Iron (III) ion

    • C. 

      Calcium ion

    • D. 

      Potassium ion

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