Biology GCSE
DNA
What DNA means in Biology GCSE, as defined for AQA, OCR.
Definitions of DNA
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Reference: AQA
A chemical, standing for deoxyribonucleic acid, that carries the instructions controlling the characteristics and activities of the cell.
A polymer built from four bases whose order forms a code, and every chromosome is made of it.
The material that the genome is made of in most organisms, including humans.
Topics that use DNA
- Chromosomes (AQA GCSE)
- DNA and the genome (AQA GCSE)
- Inheritance (OCR GCSE)
Related terms
- Gene
- chromosomes
- Nucleus
- Alleles and genetic variation
- Amino acid sequence
- Applications of genomics in medicine
- Asexual reproduction
- Balanced argument and judgement
Using DNA in the exam
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