AQA GCSE Combined Science Trilogy · 8464
Specification 4.1.1.1, 4.1.1.2, 4.6.2.4 · Paper 1, Paper 2
A small ring of DNA that may be present in a bacterial cell in addition to its main DNA loop.
Revise: Eukaryotes and prokaryotesThere may also be one or more smaller rings of DNA called plasmids. These are separate from the main DNA loop.
- Revise: Sub-cellular structures and their functions
- Revise: Genetic Engineering
A small circular piece of DNA found in bacterial cells, separate from their main chromosome; it can be used as a vector.