Biology 9700 · AS & A Level · Proteins

Proteins — practice question

Which statement accurately describes the Bohr effect?

  • AAs the partial pressure of carbon dioxide increases the dissociation curve becomes S-shaped (sigmoid).
  • BAt higher partial pressures of carbon dioxide and equal partial pressures of oxygen, the percentage saturation of haemoglobin with oxygen will be higher.
  • CThe carbon dioxide in the air prevents haemoglobin becoming fully saturated with oxygen during gas exchange in the lungs.
  • DThe release of oxygen from haemoglobin is more likely at higher partial pressures of carbon dioxide.

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