Cp Bio 2 Warm-up Quiz #4 (Spring 2014)

10 Questions | Total Attempts: 76

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Cp Bio 2 Warm-up Quiz #4 (Spring 2014)

Questions and Answers
  • 1. 
    Which molecules store and transmit genetic information?
    • A. 

      Lipids

    • B. 

      Proteins

    • C. 

      Nucleic acids

    • D. 

      Carbohydrates

  • 2. 
    The energy in the food produced by autotrophs or taken into the bodies of heterotrophs must be changed into a for mthat cells can use. The energy-transferring molecule used by cells is ___.
    • A. 

      RNA

    • B. 

      DNA

    • C. 

      ATP

    • D. 

      NADP

  • 3. 
    Which biological macromolecule contains nitrogen bases?
    • A. 

      Nucleic acids

    • B. 

      Carbohydrates

    • C. 

      Lipids

    • D. 

      Saturated fatty acids

  • 4. 
    The molecule illustrated here is a monomer of what macromolecule?
    • A. 

      Carbohydrate

    • B. 

      Lipid

    • C. 

      Nucleic acid

    • D. 

      Protein

  • 5. 
    Water (H2O) is an example of a molecule whose atoms are held together by which of the following?
    • A. 

      Covalent bonds

    • B. 

      Hydrogen bonds

    • C. 

      Ionic bonds

    • D. 

      Metallic bonds

  • 6. 
    Water is a polar molecule which has a slightly positive side and a slightly negative side. It would be a good solvent for which of the following substances?
    • A. 

      Metals

    • B. 

      Non-polar oils

    • C. 

      Polar pigments

    • D. 

      Unreactive noble gasses

  • 7. 
    Which of the following best explains why water has the property of cohesion?
    • A. 

      The positive region of one water molecule is attracted to the negative region of another water molecule

    • B. 

      Water molecules stack neatly because of their shape

    • C. 

      Water molecules attract each other due to like charges

    • D. 

      Water molecules repel each other due to like charges

  • 8. 
    Which of the following is NOT a property of water?
    • A. 

      Non-polar solvent

    • B. 

      Adhesion

    • C. 

      Cohesion

    • D. 

      High specific heat

  • 9. 
    Consider the graph to the right. Which statement best describes what is happening at point A?
    • A. 

      Population growth decreases as individual crabs get older.

    • B. 

      The population is stabilizing as it approaches the carrying capacity.

    • C. 

      Destruction of habitat is causing a decline in the population of crabs.

    • D. 

      The introduction of a new predator is causing a decline in the crab population.

  • 10. 
    Consider the aquatic food chain shown above. What would most likely result if a waterborne bacteria caused the death of most of the minnow population?
    • A. 

      Decrease in both algae and zooplankton populations

    • B. 

      Increase in both zooplankton and perch populations

    • C. 

      Increase in both perch and hawk populations

    • D. 

      Decrease in both perch and hawk populations

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