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DNA Structure — Edexcel GCSE Biology 1BI0

Home
Biology
Edexcel GCSE Biology
Genetics
Reproduction and DNA
DNA Structure

Edexcel GCSE Biology · 1BI0

DNA Structure

What you need to know

Describe DNA as a polymer made up of two strands coiled to form a double helix.
Describe how strands are linked by complementary base pairs joined by weak hydrogen bonds.
Describe the composition of nucleotides, consisting of a sugar, a phosphate group, and one of four different bases.

Revision notes

1
DNA Structure
6 key terms

Practise with past papers Key terms & definitions

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