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Write the structures of fragments produc...

Write the structures of fragments produced on complete hydrolysis of DNA. How are they linked in DNA molecule? Draw a diagram to show pairing of nucleotide bases in double helix of DNA.

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On complete hydrolysis, DNA gives, (i) Deoxyribose as the pentose sugar (ii) Nitrogen containing heterocyclic base (viz. adenine, guanine, cytosine or thymine) (iii) Phosphoric acid. In a DNA molecule, a nitrogen base is attached to `C-1'` of deoxyribose and a phosphate group is attached to `C-5'` of deoxyribose.
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