Enzymes in Biochemistry Quiz

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Questions and Answers

What is the main function of enzymes?

  • To inhibit chemical reactions
  • To accelerate the rate of chemical reactions (correct)
  • To produce isozymes
  • To change the structure of enzymes

What is the definition of a substrate?

  • The end product of a reaction
  • A substance that accelerates chemical reactions
  • A specific protein catalyst
  • The substance upon which the enzyme acts (correct)

What are isozymes (isoenzymes)?

  • Different types of drugs that activate enzymes
  • Enzymes that inhibit chemical reactions
  • Substances that denature enzymes
  • Distinct fractions of the same enzyme with different functions (correct)

What is the turnover number in relation to enzymes?

<p>The number of substrate molecules converted to product per enzyme molecule per second (B)</p> Signup and view all the answers

What is the main difference between organic and inorganic catalysts?

<p>Organic catalysts are not affected by heat, while inorganic catalysts are denatured by heat (D)</p> Signup and view all the answers

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