Which of the following is correct for calculating the total length of $DNA$?

  • A
    Length of one helix $\times$ distance between nitrogen base pairs
  • B
    Length of two helices $\times$ distance between two nitrogen base pairs
  • C
    Length of one helix $\times$ distance between two nitrogen base pairs
  • D
    Total number of nitrogen base pairs $\times$ distance between two nitrogen base pairs

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