Antiparallel strands of a $DNA$ molecule means that

  • [AIPMT 2006]
  • A

    one strand turns clockwise

  • B

    one strand turns anti­clockwise

  • C

    the phosphate groups of two $DNA$ strands, at their ends, share the same position

  • D

    the phosphate groups at the start of two $DNA$ strands are in opposite position (pole).

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