JACOPIN / BSIP / SCIENCE PHOTO LIBRARY JACOPIN / BSIP / SCIENCE PHOTO LIBRARY
Not for use in school textbooks.
Illustration of the DNA molecule and its components. DNA is made up of two strands, a nucleotide chain and a complementary chain, each one made up of phosphoric acids, sugar and bases (Adenine, Thymine, Guanine and Cytosine).
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