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Biology
Key Terms
Adenine (A)

GCSEEdexcel1BI0

Adenine (A)

Key term for Edexcel GCSE Biology, used in Reproduction and DNA.

Definition

A nitrogenous base that always pairs with Thymine.

Exam Context

Adenine (A) appears in Edexcel GCSE Biology revision content for Genetics, especially Reproduction and DNA and DNA Structure.

Genetics Reproduction and DNA DNA Structure

Found in Revision Notes

Genetics

DNA Structure

Reproduction and DNA • DNA Structure

Related Key Terms

Antiparallel Complementary base pairing Cytosine (C)Deoxyribose sugar

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Adenine (A) — Edexcel Biology Definition | GradeGen.AI

DNA (Deoxyribonucleic Acid)