Cp Bio 2 - Unit 1 Rebate (Spring 2014)

20 Questions | Total Attempts: 39

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Cp Bio 2 - Unit 1 Rebate (Spring 2014)

Questions and Answers
  • 1. 
    In biological systems, proteins are said to be denatured when...
    • A. 

      The protein is folded and layered.

    • B. 

      The protein changes shape and becomes non-functional.

    • C. 

      The protein changes into an enzyme.

    • D. 

      The protein is artificial.

  • 2. 
    Which of the following can denature a protein? Check all that apply. (more than one answer)
    • A. 

      Change the pH

    • B. 

      Expose the protein to sunlight

    • C. 

      Increase the salt concentration

    • D. 

      Add water to the protein

    • E. 

      Expose the protein to extreme heat

  • 3. 
    The functional group -NH2 is called the ____.
    • A. 

      Amino group

    • B. 

      Acid group

    • C. 

      Hydroxide group

    • D. 

      Fatty acid

  • 4. 
    How many amino acids are found in humans?
    • A. 

      12

    • B. 

      16

    • C. 

      20

    • D. 

      24

  • 5. 
    When a fat molecule is called "saturated", what is it saturated with?
    • A. 

      Oxygen atoms

    • B. 

      Double bonds

    • C. 

      Calories

    • D. 

      Hydrogen atoms

  • 6. 
    Which of the following describes DNA?
    • A. 

      It contains uracil.

    • B. 

      It contains the sugar ribose.

    • C. 

      It controls the production of proteins.

    • D. 

      It is made of amino acids.

  • 7. 
    Which of the following is NOT true of water?
    • A. 

      It resists change in temperature.

    • B. 

      It is considered the "universal solvent".

    • C. 

      It can diffuse through lipids easily.

    • D. 

      It has unique properties due to its polarity.

  • 8. 
    Most plants use lipids for long-term storage of energy.
    • A. 

      True

    • B. 

      False

  • 9. 
    Most plants use carbohydrate to build cell walls.
    • A. 

      True

    • B. 

      False

  • 10. 
    There are literally hundreds of thousands of different organic molecules. Which statement best explains how this is possible?
    • A. 

      Elements can make an unlimited number of chemical bonds.

    • B. 

      Carbon is unique in that it can make four chemical bonds.

    • C. 

      Carbon can make twenty bonds to other carbon atoms.

    • D. 

      Organic molecules are acidic.

  • 11. 
    The specific chemical that an enzyme will act on is called a(n) ...
    • A. 

      Substrate.

    • B. 

      Protein.

    • C. 

      Amino acid.

    • D. 

      Catalyst.

  • 12. 
    Which phrase best describes the effect of a catalyst on a chemical reaction?
    • A. 

      Decreases the rate of reaction

    • B. 

      Increases the temperature

    • C. 

      Decreases the activation energy

    • D. 

      Increases the volume of the reactants

  • 13. 
    What type of polymer is an enzyme?
    • A. 

      Protein

    • B. 

      Carbohydrate

    • C. 

      Lipid

    • D. 

      Nucleic Acid

  • 14. 
    In the diagram there is a list of 20 molecules. These molecules are used to build ___.
    • A. 

      Carbohydrates

    • B. 

      Proteins

    • C. 

      Lipids

    • D. 

      Nucleic acids

  • 15. 
    The molecules pictured to the right is a simple sugar with a 6-sided ring. What is the molecule?
    • A. 

      Glucose

    • B. 

      Sucrose

    • C. 

      Fructose

    • D. 

      Protein

  • 16. 
    What part is labeled C?
    • A. 

      Phosphate

    • B. 

      Ribose Sugar

    • C. 

      Nitrogen Base

    • D. 

      Nucleotide

  • 17. 
    This is a diagram of a monomer that is used to build ___.
    • A. 

      Carbohydrates

    • B. 

      Proteins

    • C. 

      Nucleic Acids

    • D. 

      Lipids

  • 18. 
    Which of the following is not one of the top elements in the body?
    • A. 

      Carbon

    • B. 

      Hydrogen

    • C. 

      Nitrogen

    • D. 

      Calcium

  • 19. 
    Which of the following is a "4%" element in the body?
    • A. 

      Carbon

    • B. 

      Calcium

    • C. 

      Iron

    • D. 

      Hydrogen

  • 20. 
    The name of an enzyme typically ...
    • A. 

      Contains the name of the substrate on which it acts and ends in the suffix -ase.

    • B. 

      Contains the name of the substrate on which it acts and ends in the suffix -ose.

    • C. 

      Contains the name of the final product and ends in the suffix -ose.

    • D. 

      Contains the name of the final product and ends in the suffix -ase.

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