Biology 9700 · AS & A Level · Proteins

Proteins — practice question

Which row gives the correct description of the short-term effects of carbon monoxide and nicotine on a smoker’s body?

  • Ademand for oxygen decreased by carbon monoxide; concentration of oxygen in blood increased by nicotine
  • Bdemand for oxygen decreased by nicotine; concentration of oxygen in blood increased by carbon monoxide
  • Cdemand for oxygen increased by carbon monoxide; concentration of oxygen in blood decreased by nicotine
  • Ddemand for oxygen increased by nicotine; concentration of oxygen in blood decreased by carbon monoxide

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