Biology A-Level
histone proteins
What histone proteins means in Biology A-Level, as defined for AQA.
Definition of histone proteins
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Reference: AQA
Basic, positively charged proteins that the negatively charged phosphate groups of the DNA backbone are attracted to, so the DNA coils tightly around groups of them.
Topics that use histone proteins
- DNA, genes and chromosomes (AQA A-Level)
Related terms
- alleles
- base sequence
- chromatin
- circular organelle DNA
- crossing over
- degenerate code
- endosymbiotic theory
- functional RNA
Using histone proteins in the exam
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