Question

what is DNA ?
Class 9 Ch 5​

Answer 1

Answer:

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.

Explanation:

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Answer 2

DNA is defined as deoxyribonucleic acid , is a molecule that contains instructions an organism needs to develop , reproduce and live .

These instructions are found inside every cell and are passed freom generations to generations

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