Enzyme Kinetics in Biochemistry Quiz

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Questions and Answers

What is the primary difference between enzyme catalysts and chemical catalysts?

  • Enzyme catalysts are regulated in their activity, while chemical catalysts are difficult to control
  • Enzyme catalysts are produced by living cells and act inside living organisms, while chemical catalysts act outside living organisms
  • Enzyme catalysts catalyze specific reactions, while chemical catalysts catalyze different reactions
  • Enzyme catalysts are protein in nature, while chemical catalysts are non-protein in nature (correct)

How does enzyme catalysts catalysis occur compared to chemical catalysts?

  • Enzyme catalysts are involved in the IUB system of nomenclature, while chemical catalysts are not
  • Enzyme catalysts are difficult to control, while chemical catalysts have closely regulated activity
  • Catalysis occurs via the active site of enzymes, while chemical catalysts catalyze as a whole (correct)
  • Enzyme catalysts catalyze different reactions, while chemical catalysts catalyze specific reactions

According to enzyme nomenclature, what is the IUB classification of enzymes based on?

  • Solubility of the enzyme
  • Size of the enzyme
  • Type of reaction catalyzed (correct)
  • Protein or non-protein nature

What is the suffix commonly added to substrates in enzyme nomenclature?

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

What is the primary difference between old tradition enzyme names and the IUB classification of enzymes?

<p>Old tradition names do not follow a systematic classification, while the IUB classification provides a systematic way to categorize enzymes (C)</p> Signup and view all the answers

What is a key difference between enzyme catalysts and chemical catalysts?

<p>Enzyme catalysts catalysis occurs via the active site of enzymes, while chemical catalysts catalysis takes part as a whole (C)</p> Signup and view all the answers

Which of the following best describes the IUB classification of enzymes?

<p>Based on the type of reaction catalyzed (B)</p> Signup and view all the answers

What is the primary purpose of adding the suffix ‘‘ase’’ to substrate in enzyme nomenclature?

<p>To specify the type of reaction catalyzed by the substrate (C)</p> Signup and view all the answers

What distinguishes old tradition names of enzymes such as pepsin, trypsin, and renin from the IUB classification of enzymes?

<p>Old tradition names are based on the organ in which the enzyme acts, while IUB classification is based on the type of reaction catalyzed (D)</p> Signup and view all the answers

What characteristic differentiates enzyme catalysts from chemical catalysts in terms of their regulation and control?

<p>Enzyme catalysts are closely regulated in their activity, while chemical catalysts have no regulatory mechanisms (C)</p> Signup and view all the answers

What distinguishes enzyme catalysts from chemical catalysts?

<p>Enzyme catalysts catalyze a specific reaction, while chemical catalysts catalyze different reactions (B)</p> Signup and view all the answers

What is the primary purpose of adding the suffix ‘‘ase’’ to a substrate in enzyme nomenclature?

<p>To specify the type of reaction catalyzed by the enzyme (A)</p> Signup and view all the answers

Based on the IUB classification of enzymes, what characterizes the type of reaction catalyzed by enzymes in Group 1?

<p>Oxidation-reduction reactions (D)</p> Signup and view all the answers

What differentiates old tradition enzyme names like pepsin and trypsin from the IUB classification of enzymes?

<p>Old tradition names are based on their production by living cells, while IUB classification is based on the type of reaction catalyzed (C)</p> Signup and view all the answers

How does the regulation of enzyme catalysts differ from the regulation of chemical catalysts?

<p>Enzyme catalysts are not regulated, while chemical catalysts are closely regulated (A)</p> Signup and view all the answers

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