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A-Level Biology OCR A

Cell Plant Molecules Outline Structure Function Wall Made

Front Outline the structure and function of a plant cell wall.
Back Plant cell wall - made of fibrils of cellulose embedded in a matrix of other molecules
  • Protects the cell from pathogens, gives the cell its shape
  • High tensile strength allows plant cells to become turgid and press against the cell wall, making the cell rigid which supports both the cell and the plant as a whole
  • Freely permeble - gaps for important molecules to get thru
  • Plasmodesmata are connections of cytoplasm through cell walls and allow transport of substances between adjacent cells

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