Complementary base pairing
What Complementary base pairing means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definitions of Complementary base pairing
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Reference: Pearson Edexcel
Occurs between adenine and thymine, or adenine and uracil in RNA, and between cytosine and guanine.
Free DNA nucleotides pair with exposed bases, adenine with thymine and cytosine with guanine.
Topics that use Complementary base pairing
- Topic 2: Genes and Health (Pearson Edexcel A-Level)
Related terms
Using Complementary base pairing in the exam
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