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 (B)</p> Signup and view all the answers

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

<p>Water (B)</p> Signup and view all the answers

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

<p>Water (A)</p> Signup and view all the answers

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

<p>Epimerase (D)</p> Signup and view all the answers

Which class of enzymes catalyzes redox reactions?

<p>Oxidoreductases (B)</p> Signup and view all the answers

What is the definition of a redox reaction?

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

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

<p>Malate (C)</p> Signup and view all the answers

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

<p>Oxaloacetate (D)</p> Signup and view all the answers

What are FAD/FADH2?

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

What are NAD+/NADH?

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

Which enzyme class is responsible for redox reactions?

<p>Oxidoreductase (D)</p> Signup and view all the answers

Which enzyme class is responsible for hydrolysis reactions?

<p>Hydrolase (C)</p> Signup and view all the answers

Which enzyme class is responsible for group transfer reactions?

<p>Transferase (B)</p> Signup and view all the answers

Which enzyme class is responsible for condensation reactions?

<p>Lyase (A)</p> Signup and view all the answers

Which enzyme class is responsible for decarboxylation/elimination reactions?

<p>Lyase (A)</p> Signup and view all the answers

Which enzyme class is responsible for dehydration/elimination reactions?

<p>Lyase (D)</p> Signup and view all the answers

Which enzyme class is responsible for hydration/addition reactions?

<p>Lyase (B)</p> Signup and view all the answers

Which enzyme class is responsible for isomerization reactions?

<p>Lyase (C)</p> Signup and view all the answers

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

<p>Lyase (B)</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. (A)</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. (C)</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 (D)</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 (A)</p> Signup and view all the answers

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

<p>Nitrogen atom (B)</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 (A)</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. (B)</p> Signup and view all the answers

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