Other questions in this quiz

2. The carbon dioxide concentration at the gas exchange surface is

  • low
  • non existent
  • high
  • medium

3. The quaternary structure in haemoglobin is when

  • all four polypeptides are linked together to form a perfect circle.
  • all four polypeptides are linked together to form an almost spherical molecule.
  • all four polypeptides are coiled together.
  • all four polypeptides just randomly link up.

4. The secondary structure in haemoglobin is when each of the polypeptides chains are

  • broken in half
  • coiled into a helix
  • folded into a precise shape
  • joined together by nitrogen bonds

5. The affinity of haemoglobin for oxygen as the gas exchange surface is

  • high
  • low
  • medium
  • non existent

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