Metabolism and Digestion Quiz
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Questions and Answers

What is the definition of metabolism?

  • The chemical changes that take place in a cell that produce energy and basic materials (correct)
  • The sum total of all the enzymatic reactions occurring in a cell
  • The process of breaking down large, complex molecules to provide energy and smaller molecules
  • The formation of complex end products from simple precursors
  • What are the compounds formed as a result of metabolism called?

  • Catalysts
  • Metabolites (correct)
  • Substrates
  • Enzymes
  • How are most metabolic pathways classified?

  • As synthesis and degradation
  • As catabolic and anabolic (correct)
  • As aerobic and anaerobic
  • As enzymatic and non-enzymatic
  • What do catabolic reactions break down?

    <p>Large, complex molecules</p> Signup and view all the answers

    Which stage of metabolism involves using ATP energy to build larger molecules?

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

    What do catabolic reactions provide?

    <p>Smaller molecules</p> Signup and view all the answers

    What is the main function of ATP in cells?

    <p>Serving as an energy form</p> Signup and view all the answers

    Which stage of metabolism involves the oxidation of small molecules to CO2 and H2O?

    <p>Stage 3: Oxidation of small molecules in the citric acid cycle</p> Signup and view all the answers

    What coenzyme reduces to NADH when accepting H+ and electrons?

    <p>NAD+</p> Signup and view all the answers

    What process involves the digestion of polysaccharides to smaller polysaccharides, maltose, and some glucose?

    <p>Stage 1 of carbohydrate metabolism</p> Signup and view all the answers

    What is the main role of coenzyme A in metabolism?

    <p>Activating acyl groups for transfer</p> Signup and view all the answers

    Which compound is involved in the breakdown of large molecules to smaller ones that enter the bloodstream?

    <p>Coenzyme A</p> Signup and view all the answers

    What compound is obtained from the oxidation of food and serves as the energy form stored in cells?

    <p>Adenosine triphosphate (ATP)</p> Signup and view all the answers

    Where does the digestion of carbohydrates begin?

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

    What is the structure of coenzyme FAD?

    <p>Is flavin adenine dinucleotide</p> Signup and view all the answers

    What is the role of ATP in metabolism?

    <p>Is the energy form stored in cells</p> Signup and view all the answers

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