Biology 9700 · AS & A Level · Proteins

Proteins — practice question

The diagram illustrates a haemoglobin molecule. Which row correctly names the different sections of the molecule?

  • A1 α-helix, 2 β-pleated sheet, 3 binding site, 4 hydrophobic amino acids
  • B1 binding site, 2 hydrophilic amino acids, 3 α-helix, 4 hydrophobic amino acids
  • C1 haem group, 2 hydrophobic amino acids, 3 α-helix, 4 hydrophilic amino acids
  • D1 hydrophobic amino acids, 2 β-pleated sheet, 3 haem atom, 4 binding site

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