Water and ions can move to the xylem of a plant root along the cell walls, without crossing a cell membrane. By what process do these substances pass through the cell walls?
Biology 5090 · O Level · Uptake and transport of water and ions
Biology 5090 · O Level · Uptake and transport of water and ions
Water and ions can move to the xylem of a plant root along the cell walls, without crossing a cell membrane. By what process do these substances pass through the cell walls?