Enzymology Chapter: Biological Catalysts and Reactions
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Questions and Answers

What is the primary role of an enzyme in the body?

  • To maintain homeostasis by regulating gene expression
  • To regulate hormone secretion in the body
  • To synthesize proteins for cellular functions
  • To catalyze chemical reactions to maintain balance (correct)
  • What is the significance of the suffix 'ase' in enzyme nomenclature?

  • It was proposed by Duclaux in 1898 to be used for all enzymes (correct)
  • It denotes the enzyme's molecular weight
  • It indicates the enzyme's optimal pH
  • It indicates the enzyme's substrate specificity
  • What is the characteristic of an enzyme that enables it to catalyze reactions with high efficiency?

  • Its ability to change its shape in response to temperature
  • Its ability to bind to multiple substrates
  • Its ability to reduce the activation energy (correct)
  • Its ability to undergo phosphorylation
  • What is the term for the complex formed between an enzyme and its substrate at the active site?

    <p>ES complex</p> Signup and view all the answers

    What is the range of molecular weights of enzymes?

    <p>Thousands to millions</p> Signup and view all the answers

    How many types of enzymes are known to exist?

    <p>Over 700 types</p> Signup and view all the answers

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