Biology 9700 · AS & A Level · Proteins

Proteins — practice question

Scientists have found that the oxygen dissociation curves for haemoglobin in smaller mammals lie to the right of those for larger mammals. What does this indicate about the haemoglobin of smaller mammals?

  • AIt carries more oxygen when the partial pressure of oxygen is higher.
  • BIt releases oxygen less easily at lower partial pressures of oxygen.
  • CIt saturates with oxygen more easily.
  • DIt unloads oxygen more easily.

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