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  4. DNA and RNA comprise of

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Q. DNA and RNA comprise of

AIIMSAIIMS 2014Molecular Basis of Inheritance

Solution:

DNA and RNA are nucleic acids which are found in living systems. DNA is a long polymer of deoxyribonucleotides and RNA is a long polymer of ribonucleotides. A nucleotide has 3 components - a nitrogenous base, a pentose sugar and a phosphate group.