Fatty Acid Synthesis: The Spiral of Fatty Acid Synthesis
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary site of fatty acid synthesis in most animal tissues?

  • Endoplasmic reticulum
  • Golgi apparatus
  • Cytosol (correct)
  • Mitochondrial matrix
  • Which of the following is NOT a cofactor required for acetyl-CoA carboxylation?

  • Mn2+
  • ATP
  • Bioreactor (correct)
  • NADPH
  • What is the product of the committed step in fatty acid synthesis?

  • Malonyl-CoA (correct)
  • Citrate
  • Palmitic acid
  • Acetyl-CoA
  • In which of the following tissues is fatty acid synthesis less prominent?

    <p>Skeletal muscle</p> Signup and view all the answers

    What is the mechanism by which acetyl-CoA units are transported out of the mitochondrial matrix?

    <p>Citrate shuttle</p> Signup and view all the answers

    What is the maximum length of fatty acid chains synthesized through the fatty acid synthesis pathway?

    <p>C16</p> Signup and view all the answers

    What is the role of ATP in the first step of lipogenesis?

    <p>To carboxylate biotin</p> Signup and view all the answers

    What is the effect of high fat diets on the regulation of acetyl-CoA carboxylase?

    <p>Decreased activity</p> Signup and view all the answers

    Which of the following domains of the fatty acid synthase complex is involved in the release of palmitate?

    <p>Domain 3</p> Signup and view all the answers

    What is the role of malonyl-CoA in the regulation of lipogenesis?

    <p>Activator of fatty acid synthase</p> Signup and view all the answers

    What is the effect of insulin on the regulation of lipogenesis?

    <p>Activates lipogenesis</p> Signup and view all the answers

    What is the role of the –SH group of the ACP in the condensation reaction of lipogenesis?

    <p>Accepts the acetyl group from acetyl-CoA</p> Signup and view all the answers

    What is the role of enoyl reductase enzyme in the spiral of fatty acid synthesis?

    <p>To reduce the crotonyl-enzyme to butyryl-enzyme</p> Signup and view all the answers

    What is the outcome of the first turn in the spiral of fatty acid synthesis?

    <p>Formation of a C4-acyl enzyme</p> Signup and view all the answers

    What is the function of the SH group of ACP in the fatty acid synthesis pathway?

    <p>To bind to and displace the saturated acyl residue</p> Signup and view all the answers

    What is the fate of the C16-acyl enzyme formed in the fatty acid synthesis pathway?

    <p>It is not a substrate for the condensing enzyme and is released as free palmitate</p> Signup and view all the answers

    What is the role of the thiol groups of cysteine residues in the fatty acid synthesis pathway?

    <p>To bind to the acetyl-CoA and malonyl-CoA molecules</p> Signup and view all the answers

    How many times is the elongation step repeated in the fatty acid synthesis pathway?

    <p>6 times</p> Signup and view all the answers

    More Like This

    Fatty Acid Synthesis Steps Quiz
    10 questions
    Fatty Acid Synthesis Process
    24 questions

    Fatty Acid Synthesis Process

    StupendousJasper9814 avatar
    StupendousJasper9814
    Use Quizgecko on...
    Browser
    Browser