Hemoglobin and Cytoplasm Quiz
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Questions and Answers

What is the primary function of hemoglobin?

  • Aid in the synthesis of ATP
  • Act as an enzyme in heme biosynthesis
  • Facilitate glucose transport within RBCs
  • Transport molecular oxygen from the lungs to the tissue (correct)

    • What is the molecular weight of hemoglobin (Hgb)?

  • 60,000 D
  • 75,000 D
  • 50,000 D
  • 64,000 D (correct)

    • Which enzyme catalyzes the synthesis of Aminolevulinic acid (ALA)?

  • Uroporphobilinogen III synthase
  • PBG Deaminase
  • Aminolevulinic acid synthase (correct)
  • Protoporphyrinogen oxidase

    • What is the initial precursor in the heme biosynthesis pathway?

    <p>Porphobilinogen (PBG)</p> Signup and view all the answers

    Where does heme synthesis begin?

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

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