Biology A-Level
Molecular evidence
What Molecular evidence means in Biology A-Level, as defined for OCR.
Definition of Molecular evidence
Check what you remember
Read the wording for your board, then hide it and explain Molecular evidence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Comparisons of ribosomal RNA and other conserved gene sequences revealed that prokaryotes fall into two very distinct groups.
Topics that use Molecular evidence
- Classification and evolution (OCR A-Level)
Related terms
- Antibiotic resistance
- Binomial nomenclature
- Cell structure and wall composition
- Change in allele frequency over generations
- Continuous versus discontinuous variation
- Differential survival and reproduction
- Evidence for classification
- Evolutionary descent
Using Molecular evidence in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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