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What is DNA made of?

What is DNA made of?
Grace Watts from Hampshire (Aged 5-14)

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One Response

  1. DNA is a double-stranded polymer : a long molecule made from many similar smaller molecules. The small molecules, called nucleotides, that make up DNA each consist of three parts: a five-carbon sugar molecule, a base made from one or two rings of carbon and one or more phosphate groups. The bases (A,T,C and G) carry genetic information as a ‘code’.

    The basic chemicals found in DNA are carbon, nitrogen, hydrogen, oxygen and phosphorous.

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