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  1. GCSE
  3. Biology Edexcel
  5. 3.2.1 DNA structure as a polymer

3.2.1 DNA structure as a polymer

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Revise Edexcel GCSE Biology 3.2.1 DNA structure as a polymer with the question bank, lessons, revision guides, and flashcards.

Describe DNA as a polymer made up of: a two strands coiled to form a double helix • b strands linked by a series of complementary base pairs joined together by weak hydrogen bonds • c nucleotides that consist of a sugar and phosphate group with one of the four different bases attached to the sugar

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