A.p. Biology Chapter 8 (introduction To Metabolism)

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 A.p. Biology Chapter 8 (introduction To Metabolism)
This is on chapter 8 of AP Bio, on the same test as chapters 5-7.

  
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  • 1. 
    What is metabolism?
    • A. 

      All of the chemical reactions in an organism

    • B. 

      Polymer to monomer reactions that release ATP and break down

    • C. 

      Monomer to polymer reactions that require ATP and build up

    • D. 

      None of the above


  • 2. 
    What is catabolism?
    • A. 

      All of the chemical reactions in an organism

    • B. 

      Polymer to monomer reactions that release ATP and break down

    • C. 

      Monomer to polymer reactions that require ATP and build up

    • D. 

      None of the above


  • 3. 
    What is anabolism?
    • A. 

      All of the chemical reactions in an organism

    • B. 

      Polymer to monomer reactions that release ATP and break down

    • C. 

      Monomer to polymer reactions that require ATP and build up

    • D. 

      None of the above


  • 4. 
    What is adenosine made of?
    • A. 

      Adenine and phosphate

    • B. 

      Adenine and pentose

    • C. 

      Adenine and deoxyribose

    • D. 

      Adenine and ribose


  • 5. 
    How many high energy bonds does ATP have?
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      3


  • 6. 
    A phosphate leaves ATP to make it become ADP, but now has an i on it. What does this mean.
    • A. 

      It is inorganic

    • B. 

      It is just floating around, with no affect on the reaction

    • C. 

      It is an intermediate phosphate

    • D. 

      A and B


  • 7. 
    How many high energy bonds does ADP have?
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      3


  • 8. 
    How many high energy bonds does AMP have?
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      3


  • 9. 
    Are enzymes proteins?
    • A. 

      All of them are, and all proteins are enzymes

    • B. 

      All of them are, but not all proteins are enzymes

    • C. 

      Some of them are, but not all proteins are enzymes

    • D. 

      None of them are


  • 10. 
    What do enzymes do?
    • A. 

      Slow down chemical reaction

    • B. 

      Speed up chemical reaction

    • C. 

      Create chemical reactions

    • D. 

      Totally destroy chemical reactions


  • 11. 
    What is the substrate?
    • A. 

      What enzyme reacts on

    • B. 

      The products

    • C. 

      The enzyme itself

    • D. 

      The reactant(s)

    • E. 

      A and D

    • F. 

      None of the above


  • 12. 
    What is the part of enzyme where the substrate is given an induced (tight) fit?
    • A. 

      Activation site

    • B. 

      Reactant site

    • C. 

      Substrate site

    • D. 

      Active site


  • 13. 
    How do enzymes speed up chemical reactions?
    • A. 

      Increase activation energy

    • B. 

      Lower activation energy

    • C. 

      We're not entirely sure

    • D. 

      A and C

    • E. 

      B and C


  • 14. 
    What happens if you denature an enzyme?
    • A. 

      Changes shape of active site, but still works just as good

    • B. 

      Change shape of active site, continues to work but not as good

    • C. 

      Change shape of active site, no longer works

    • D. 

      Nothing, it is not affected


  • 15. 
    What is an enzyme inhibitor?
    • A. 

      Something that speeds up the enzyme

    • B. 

      Something that slows down the enzyme

    • C. 

      Something that totally stops the enzyme

    • D. 

      Something that denatures the enzyme


  • 16. 
    What is a competitive inhibitor?
    • A. 

      An inhibitor that moves into active site of enzyme

    • B. 

      An inhibitor that moves into non-active site and changes conformation of protein

    • C. 

      Neither of these

    • D. 

      This is not the answer


  • 17. 
    How do you overcome the inhibitor?
    • A. 

      Decrease concentration of enzyme

    • B. 

      Increase concentration of enzyme

    • C. 

      Decrease concentration of inhibitor

    • D. 

      Increase concentration of substrate


  • 18. 
    What is non-competitive inhibitor?
    • A. 

      An inhibitor that moves into active site of enzyme

    • B. 

      An inhibitor that moves into non-active site and changes conformation of protein

    • C. 

      A poison

    • D. 

      None of these

    • E. 

      B and C


  • 19. 
    What are allosteric enzymes?
    • A. 

      Enzymes that are easily denatured

    • B. 

      Enzymes that are unable to be denatured

    • C. 

      Enzymes that change shape to toggle between active and inactive

    • D. 

      None of these


  • 20. 
    How do allosteric enzymes become active?
    • A. 

      Activator attaches

    • B. 

      Inhibitor attaches

    • C. 

      Substrate attaches

    • D. 

      Nothing attaches


  • 21. 
    How do allosteric enzymes become inactive?
    • A. 

      Activator attaches

    • B. 

      Inhibitor attaches

    • C. 

      Substrate attaches

    • D. 

      Nothing attaches


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