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During differentiation of normal cells into tracheary elements, the changes which occur are

Option: 1

Elongation of cells and oxidation of food
 


Option: 2

Elongation of leaves and development of an elastic lignocellulosic secondary wall 
 


Option: 3

Elongation of cell and toxin accumulation
 


Option: 4

Elongation of cells, loss of protoplasm and development of a strong lignocellulosic secondary wall


Answers (1)

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  • The cells derived from root apical and shoot-apical meristems and cambium differentiate and mature to perform specific functions. This act leading to maturation is termed as differentiation. 
  • During differentiation, cells undergo few to major structural changes both in their cell walls and protoplasm. 
  • For example, to form a tracheary element, the cells would lose their protoplasm. They also develop a very strong, elastic, lignocellulosic secondary cell wall, to carry water long distances even under extreme tension

 

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
 

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