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The structure of DNA is illustrated by a right handed double helix, with about 10 nucleotide pairs per helical turn. Each spiral strand, composed of a sugar phosphate backbone and attached bases, is connected to a complementary strand by hydrogen bonding (non- covalent) between paired bases, adenine (A) with thymine (T) and guanine (G) with cytosine (C).

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Channels: Scientific Animations Genetics Molecular Biology

Tags: DNA Structure DNA

Upload by: sana on 15-05-2007.

Duration: 1m 19s

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