Biology 9700 · AS & A Level · Carbohydrates and lipids

Carbohydrates and lipids — practice question

The diagram illustrates part of a polysaccharide. Which statement concerning this polysaccharide is correct?

  • AIt coils into a tight helix that provides a compact shape for energy storage in cells.
  • BIt has high tensile strength when arranged into fibrils in plant cell walls.
  • CIt folds into a globular shape that is soluble in water and easily transported.
  • DIt combines with protein molecules to act as cell markers on the cell surface membrane.

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