RBC Structure and Characteristics Quiz
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Questions and Answers

What is the main reason RBCs rely on anaerobic respiration?

  • Lack of endoplasmic reticulum for energy production
  • Presence of structural proteins for energy generation
  • Absence of mitochondria for aerobic respiration (correct)
  • Inability to absorb glucose from surrounding plasma

    • What is the function of structural proteins in RBCs?

  • Promote nucleus formation for repair
  • Facilitate glucose absorption from plasma
  • Synthesize proteins for oxygen transport
  • Maintain cell structure and enable shape change (correct)

    • What is the role of haemoglobin in RBCs?

  • Maintain cell structure
  • Transport oxygen molecules (correct)
  • Synthesize glucose for energy
  • Facilitate protein synthesis

    • Why are RBCs biconcave in shape?

    <p>To provide greater surface area for gas exchange</p> Signup and view all the answers

    What is the significance of the absence of a nucleus in mature RBCs?

    <p>Inability to repair</p> Signup and view all the answers

    What are the structural features of a mature red blood cell (RBC)?

    <p>No nucleus, no mitochondria, no endoplasmic reticulum, presence of structural proteins, biconcave disks.</p> Signup and view all the answers

    How does the absence of a nucleus impact the function of RBCs?

    <p>RBCs cannot repair themselves.</p> Signup and view all the answers

    What is the role of haemoglobin in RBCs?

    <p>Haemoglobin binds to oxygen molecules for transport.</p> Signup and view all the answers

    Why do RBCs rely on anaerobic respiration?

    <p>RBCs lack mitochondria for aerobic respiration.</p> Signup and view all the answers

    What is the significance of the biconcave shape of RBCs?

    <p>It provides a greater surface area for gas exchange and enables them to fold up as they move through narrow blood vessels.</p> Signup and view all the answers

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