Which of the following statements about $DNA$ is not correct?

  • A
    It has a double helix structure
  • B
    Adenine forms hydrogen bonds with thymine and cytosine forms hydrogen bonds with guanine
  • C
    The two strands in a $DNA$ molecule are not complementary to each other
  • D
    It contains the pentose sugar,$2$-deoxyribose

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Hydrogen bond is present in which two pairs of bases in the double helix structure of $DNA$?

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The segment of $DNA$ which acts as the instrumental manual for the synthesis of the protein is

Which statement is correct for the nucleotides of $DNA$?

$DNA$ multiplication is called:

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