During differentiation of normal cells into tracheary elements, the changes which occur are
Elongation of cells and oxidation of food
Elongation of leaves and development of an elastic lignocellulosic secondary wall
Elongation of cell and toxin accumulation
Elongation of cells, loss of protoplasm and development of a strong lignocellulosic secondary wall
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When normal cells differentiate into tracheary elements the changes that are seen include elongation of cells, loss of protoplasm and development of a strong lignocellulosic secondary wall