Other questions in this quiz

2. What can be found in the haem groups?

  • A single Na3+ atom
  • Two Na3+ atoms
  • A single Fe2+ atom
  • Two Fe2+ atoms

3. How many subunits, each containing a polypepticle chain and a haem group, does haemoglobin have?

  • 12
  • 4
  • 8
  • 2

4. What type of molecule is haemoglobin?

  • Amino acid
  • Carbohydrate
  • Protein
  • Fatty acid

5. What is oxygen tension/partial pressure?

  • The amount of oxygen in the tissue fluid
  • The amount of oxygen in the blood plasma
  • The amount of oxygen in the tissue surrounding the erythrocytes
  • The amount of oxygen in the blood

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