Reaction Types
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Questions and Answers

Which one of these is the correct equation for the reaction depicted in the image?

  • A + B -> C
  • A + B -> AB (correct)
  • AB -> A + B
  • C -> A + B

    • What is the enzyme class for the specific enzyme involved in the reaction depicted in the image?

  • Ligase (correct)
  • Lyase
  • Hydrolase
  • Isomerase

    • What is the specific enzyme involved in the reaction depicted in the image?

  • Hydratase
  • Decarboxylase
  • Synthase
  • Epimerase (correct)

    • What physiological process uses the last 3 reactions described in the text?

    <p>Synthesis of heme</p> Signup and view all the answers

    What molecule is added in the reaction catalyzed by the hydratase lyase?

    <p>Water</p> Signup and view all the answers

    What is removed in the reaction catalyzed by the dehydratase lyase?

    <p>Water</p> Signup and view all the answers

    What type of isomerase is involved in the reaction depicted in the image?

    <p>Epimerase</p> Signup and view all the answers

    Which class of enzymes catalyzes redox reactions?

    <p>Oxidoreductases</p> Signup and view all the answers

    What is the definition of a redox reaction?

    <p>A reaction that involves the transfer of electrons</p> Signup and view all the answers

    Which of the following is true about redox reactions?

    <p>Loss of Electrons = Oxidation, Gain of Electrons = Reduction</p> Signup and view all the answers

    In the Krebs cycle, which molecule is oxidized to make oxaloacetate?

    <p>Malate</p> Signup and view all the answers

    In the Krebs cycle, which molecule is reduced to make malate?

    <p>Oxaloacetate</p> Signup and view all the answers

    What are FAD/FADH2?

    <p>Coenzymes involved in redox reactions</p> Signup and view all the answers

    What are NAD+/NADH?

    <p>Coenzymes involved in redox reactions</p> Signup and view all the answers

    Which enzyme class is responsible for redox reactions?

    <p>Oxidoreductase</p> Signup and view all the answers

    Which enzyme class is responsible for hydrolysis reactions?

    <p>Hydrolase</p> Signup and view all the answers

    Which enzyme class is responsible for group transfer reactions?

    <p>Transferase</p> Signup and view all the answers

    Which enzyme class is responsible for condensation reactions?

    <p>Lyase</p> Signup and view all the answers

    Which enzyme class is responsible for decarboxylation/elimination reactions?

    <p>Lyase</p> Signup and view all the answers

    Which enzyme class is responsible for dehydration/elimination reactions?

    <p>Lyase</p> Signup and view all the answers

    Which enzyme class is responsible for hydration/addition reactions?

    <p>Lyase</p> Signup and view all the answers

    Which enzyme class is responsible for isomerization reactions?

    <p>Lyase</p> Signup and view all the answers

    Which enzyme class is responsible for joining molecules with the use of ATP?

    <p>Lyase</p> Signup and view all the answers

    Which one of these is true about nucleophilic substitution reactions?

    <p>The electrophile is a group that will be substituted for by the leaving group.</p> Signup and view all the answers

    Which one of these is true about disaccharide formation?

    <p>The leaving group is an atom with a lone electron pair.</p> Signup and view all the answers

    Which one of these correctly identifies the nucleophile, electrophile, and leaving group in DNA formation?

    <p>Nucleophile: atom with a lone electron pair, Electrophile: electron deficient atom, Leaving group: group that will be substituted for</p> Signup and view all the answers

    Which one of these correctly identifies the nucleophile and electrophile in the formation of triglycerides?

    <p>Nucleophile: atom with a lone electron pair, Electrophile: electron deficient atom</p> Signup and view all the answers

    Which one of these correctly identifies the nucleophile in peptide bond formation?

    <p>Nitrogen atom</p> Signup and view all the answers

    Which one of these correctly identifies the leaving group in the reaction shown in the image?

    <p>Water molecule</p> Signup and view all the answers

    Which one of these is true about hydrolase enzymes?

    <p>They break apart molecules using water as a nucleophile.</p> Signup and view all the answers

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