MIC 101 Microbial Metabolism: Energy and ATP
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Questions and Answers

What is the role of cofactors in enzyme activity?

  • Increase enzyme activity (correct)
  • Cause competitive inhibition
  • Prevent enzyme-substrate binding
  • Decrease enzyme activity

    • What is a key characteristic of enzymes?

  • They do not contain an active site for substrate binding
  • They remain unchanged while speeding up a reaction (correct)
  • They increase the activation energy of reactions
  • They react with any substrates to catalyze biochemical reactions

    • How does competitive inhibition affect enzyme function?

  • It has no impact on enzyme activity
  • It fills the active site of the enzyme, competing for substrate binding (correct)
  • It promotes enzyme-substrate binding
  • It decreases the activation energy of reactions

    • Which statement is true about carbohydrate metabolism?

    <p>Carbohydrate metabolism involves the breakdown of carbohydrate molecules to produce energy</p> Signup and view all the answers

    What is the effect of non-competitive inhibition on enzyme function?

    <p>It leads to a change in shape at the active site, preventing substrate binding</p> Signup and view all the answers

    How does temperature affect enzyme activity?

    <p>Temperature influences enzyme activity by affecting the rate of reactions</p> Signup and view all the answers

    What is the role of proteases in protein catabolism?

    <p>Break down proteins into amino acids</p> Signup and view all the answers

    Which process uses H+ ions moving down their concentration gradient to produce ATP?

    <p>ETC/Chemiosmosis</p> Signup and view all the answers

    What type of respiration involves oxygen as the final electron receptor?

    <p>Aerobic respiration</p> Signup and view all the answers

    Which metabolic process breaks down fats into fatty acids and glycerol?

    <p>Lipid Metabolism</p> Signup and view all the answers

    What is the final electron receptor in fermentation?

    <p>An organic molecule</p> Signup and view all the answers

    Which pathway involves the breakdown of fatty acids into acetyl CoA for further energy production?

    <p>Beta oxidation</p> Signup and view all the answers

    What is ATP's primary function in the cell?

    <p>Store energy in the form of phosphate bonds</p> Signup and view all the answers

    During which process is phosphate added from another organic molecule to create ATP?

    <p>Substrate level phosphorylation</p> Signup and view all the answers

    What is the major energy carrier of the cell?

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

    Which term describes the process of breaking down complex molecules into smaller ones?

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

    What type of reaction involves the removal of electrons from a molecule?

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

    Which process uses light energy to convert ADP and Pi into ATP?

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

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