Metabolism Quiz: Anabolism, Catabolism, and Anabolic Pathways
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Questions and Answers

What is the process of anabolism?

  • Transfer of compounds through membranes
  • Biosynthesis of compounds from simple molecules (correct)
  • Decarboxylation of amino acids
  • Breakdown of inorganic substances
  • What is catabolism primarily responsible for?

  • Hydrolysis of biopolymers in the body (correct)
  • Photosynthesis
  • Chemosynthesis
  • Biosynthesis of complex substances
  • Which representatives of lipids are part of biological membranes?

  • Triglycerides
  • Phospholipids (correct)
  • Free fatty acid
  • Terpenoids
  • What phase state is characteristic of membrane lipids?

    <p>Liquid crystal</p> Signup and view all the answers

    Where are the receptors for primary messengers located?

    <p>Plasma membrane</p> Signup and view all the answers

    Which enzyme is responsible for transferring electrons to oxygen?

    <p>Cytochrome oxidase</p> Signup and view all the answers

    Where is the activity of glucokinase found?

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

    What is the main extramitochondrial source of NADH2 for the electron transport chain (ETC)?

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

    What is the enzyme that synthesizes ATP during oxidative phosphorylation?

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

    Which metabolite is utilized in the tricarboxylic acid (TCA) cycle?

    <p>Acetyl-CoA</p> Signup and view all the answers

    Study Notes

    Metabolic Processes

    • Anabolism is the process of building molecules, requiring energy to construct molecules from smaller units.
    • Catabolism is primarily responsible for breaking down molecules to release energy.

    Lipids in Biological Membranes

    • Phospholipids, cholesterol, and glycolipids are representatives of lipids that are part of biological membranes.
    • Membrane lipids are typically in a liquid state at physiological temperatures.

    Signal Transduction

    • Receptors for primary messengers are located on the cell surface or within the cell.

    Cellular Respiration

    • Cytochrome c oxidase is the enzyme responsible for transferring electrons to oxygen during oxidative phosphorylation.
    • Glucokinase activity is found in the liver.
    • The main extramitochondrial source of NADH2 for the electron transport chain (ETC) is glycolysis.
    • ATP synthase is the enzyme that synthesizes ATP during oxidative phosphorylation.

    The Tricarboxylic Acid (TCA) Cycle

    • Acetyl-CoA is the metabolite utilized in the tricarboxylic acid (TCA) cycle.

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    Description

    Test your knowledge of metabolism with this quiz covering anabolism, catabolism, and anabolic pathways. Identify the correct definitions and components related to these metabolic processes.

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