Skip to content

Log in Sign up free

Loading…

Home
Subjects
Past papers
Key terms
Pricing

My courses

Select your courses

Loading…

Subjects

Biology
Business
Chemistry
Citizenship Studies
Classics
Combined Science
Computer Science
Design and Technology
English Language
English Literature
Film Studies
Food Preparation and Nutrition
Geography
History
Mathematics
Media Studies
Physical Education
Physics
Psychology
Religious Studies
Sociology
Statistics

Resources

Browse courses
Past papers
Key terms & definitions
Pricing

About

Sign up
Log in
Privacy Policy
Terms of Service

© 2026 GradeGen

Not affiliated with any exam board.

Loading…

DNA structure — OCR GCSE Biology A J247

Home
Biology
OCR GCSE Biology A
Cell level systems
Cellular processes
DNA structure

OCR GCSE Biology A · J247

DNA structure

What you need to know

Describe the structure of DNA as two strands forming a double helix.

Revision notes

1
DNA structure
4 key terms

Practise with past papers Key terms & definitions

Previous subtopicDNA as a polymer Next subtopicNucleotides