Biology 9700 · AS & A Level · Proteins

Proteins — practice question

Which statement explains how a higher carbon dioxide concentration affects the oxygen dissociation curve of human haemoglobin and why this matters?

  • AThe curve shifts to the left allowing haemoglobin to bind more oxygen in active tissues.
  • BThe curve shifts to the left allowing haemoglobin to offload more oxygen in active tissues.
  • CThe curve shifts to the right allowing haemoglobin to bind more oxygen in active tissues.
  • DThe curve shifts to the right allowing haemoglobin to offload more oxygen in active tissues.

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