Biology A-Level
endosymbiotic theory
What endosymbiotic theory means in Biology A-Level, as defined for AQA.
Definition of endosymbiotic theory
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Reference: AQA
The idea that these organelles evolved from free-living prokaryotes engulfed by ancestral eukaryotic cells, supported by their shared features.
Topics that use endosymbiotic theory
- DNA, genes and chromosomes (AQA A-Level)
Related terms
- alleles
- base sequence
- chromatin
- circular organelle DNA
- crossing over
- degenerate code
- functional RNA
- gel electrophoresis
Using endosymbiotic theory in the exam
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