Biology A-Level
messenger RNA
What messenger RNA means in Biology A-Level, as defined for AQA.
Definition of messenger RNA
Check what you remember
Read the wording for your board, then hide it and explain messenger RNA in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A linear copy of one gene, made in the nucleus by transcription, long enough to carry the codons for a whole polypeptide but tiny beside a chromosome.
Topics that use messenger RNA
- Structure of DNA and RNA (AQA A-Level)
Related terms
- base sequence
- condensation reaction
- evidence and acceptance
- four bases and twenty amino acids
- hydrogen bonds
- nuclear pore
- nucleotide structure
- relative simplicity of DNA
Using messenger RNA in the exam
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