Multiple choice

Which of the following statements is/are correct about haemoglobin?

  1. Each haemoglobin molecule can combine with two oxygen molecules.
  2. Each haemoglobin molecule contains two globin units with two heme units.
  3. Deoxy- and oxyhaemoglobin have different colours.

  1. Only 1

  2. Only 2

  3. Only 3

  4. 1 and 2

  5. 2 and 3
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This option is correct because deoxy- and oxyhemoglobin have different colours.

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