DNA is made of two complementary strands.
The diagram shows part of one strand of DNA.

Which base sequence would be found on the complementary strand of this DNA?
Practise OCR GCSE Biology What happens in cells (and what do cells need)? with exam-style questions for Foundation and Higher tier. 96 questions, matched to the OCR GCSE Biology (J247) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.