Regulation of Glycolysis Pathway
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Questions and Answers

Which enzymes regulate the Glycolysis pathway?

  • Hexokinase, Phosphofructokinase & Pyruvate Kinase (correct)
  • Amylase, Lipase & Protease
  • Catalase, Peroxidase & Ribonuclease
  • Sucrase, Maltase & Lactase
  • What are the two types of control mechanisms mentioned in the text for metabolic pathways?

  • Micro control and Macro control
  • Internal control and External control
  • Cellular control and Tissue control
  • Local control and Global control (correct)
  • Which tissues are mentioned as sites where local control of metabolism occurs?

  • Brain and Liver
  • Kidneys and Lungs
  • Muscle and RBCs (correct)
  • Heart and Stomach
  • What is the major role of liver cells in metabolism?

    <p>Maintaining blood levels of various nutrients</p> Signup and view all the answers

    Which type of control involves hormone-activated signal cascades?

    <p>Global control</p> Signup and view all the answers

    Study Notes

    Regulation of Glycolysis Pathway

    • The Glycolysis pathway is regulated by control of three enzymes: Hexokinase, Phosphofructokinase, and Pyruvate Kinase.

    Local Control of Metabolism

    • Local control of metabolism involves regulatory effects of varied concentrations of pathway substrates or intermediates, benefiting the cell itself.
    • This type of control occurs in extrahepatic tissues, such as muscle and red blood cells (RBCs).

    Global Control of Metabolism

    • Global control of metabolism benefits the whole organism and often involves hormone-activated signal cascades.
    • The liver has a major role in global control, particularly in maintaining blood levels of various nutrients, including glucose.
    • Hepatocytes (liver cells) have key roles in metabolism, with a focus on maintaining whole-body homeostasis.

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    Description

    Learn about the regulation of the Glycolysis pathway by control of three key enzymes: Hexokinase, Phosphofructokinase, and Pyruvate Kinase. Explore the concepts of local and global control of metabolism, and the roles of liver cells in maintaining overall organism health.

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