Biology 9700 · AS & A Level · Carbohydrates and lipids

Carbohydrates and lipids — practice question

The diagrams illustrate some of the bond types in fatty acids. Which row identifies the bonds present in each type of molecule?

  • Aunsaturated fatty acid: 1, 2 and 3; saturated fatty acid: 1 and 3 only
  • Bunsaturated fatty acid: 1, 2 and 3; saturated fatty acid: 2 and 3 only
  • Cunsaturated fatty acid: 1 and 3 only; saturated fatty acid: 1, 2 and 3
  • Dunsaturated fatty acid: 2 and 3 only; saturated fatty acid: 1, 2 and 3

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