Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

Which row indicates how the concentration changes in the red blood cells as carbon dioxide diffuses away from respiring cells?

  • Acarbonic anhydrase decreases; hydrogencarbonate ions no change; hydrogen ions no change
  • Bcarbonic anhydrase increases; hydrogencarbonate ions increases; hydrogen ions increases
  • Ccarbonic anhydrase no change; hydrogencarbonate ions decrease; hydrogen ions increase
  • Dcarbonic anhydrase no change; hydrogencarbonate ions increase; hydrogen ions increase

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