In a longitudinal section of a root,starting from the tip upward,the four zones occur in the following order:

  • A
    Root cap,cell division,cell enlargement,cell maturation
  • B
    Root cap,cell division,cell maturation,cell enlargement
  • C
    Cell division,cell enlargement,cell maturation,root cap
  • D
    Cell division,cell maturation,cell enlargement,root cap

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