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NTA Abhyas NEET2020ChemistryBiomoleculesPractice

If one strand of DNA has a nucleotide sequence 3' ATTCGCTAT 5', the nucleotide sequence of other DNA strand will be

Options

  1. A3’ TAAGCGATA 5’
  2. B5’ TAGCACGTA 5’
  3. C5’ TAGCACGTA 3’
  4. D5’ TAAGCGATA 3’

Correct answer

D. 5’ TAAGCGATA 3’

Step-by-step solution

In a double-stranded DNA, the sequence of nucleotides is complementary to each other, i.e., A pairs with T and G pairs with C. Hence, the sequence of nucleotide for 3' ATTCGCTAT 5' will be 5' TAAGCGATA 3'.

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