Biology 9700 · AS & A Level · Carbohydrates and lipids

Carbohydrates and lipids — practice question

Which properties of lignin are important for the role of xylem vessels in the stem of a tall plant, such as a tree?

  • A1, 2 and 3
  • B1, 2 and 4
  • C1, 3 and 4
  • D2, 3 and 4

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