Biology 9700 · AS & A Level · Proteins

Proteins — practice question

The diagram illustrates a segment of a glycoprotein molecule embedded within a cell surface membrane. Every amino acid is shown as a small shaded circle. Which row gives a property of the amino acids in the alpha helix and a property of amino acid Q?

  • Aproperty of amino acids found in the alpha helix: non-polar; property of amino acid Q: polar
  • Bproperty of amino acids found in the alpha helix: non-polar; property of amino acid Q: non-polar
  • Cproperty of amino acids found in the alpha helix: polar; property of amino acid Q: polar
  • Dproperty of amino acids found in the alpha helix: polar; property of amino acid Q: non-polar

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