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Pooja Sharma

Ssc & Railways
General Awareness
2 years ago

what is dna

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Abhishek Mishra

2 years ago

Deoxyribonucleic acid is a molecule composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid are nucleic acids. 

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