primary sequence
What primary sequence means in Chemistry A-Level, as defined for AQA.
Definition of primary sequence
Check what you remember
Read the wording for your board, then hide it and explain primary sequence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The sequence of amino acids in the chain, held by the covalent peptide links.
Topics that use primary sequence
- Proteins (A-level only) (AQA A-Level)
Related terms
- building peptides
- comparison with standards
- condensation
- hydrogen bonding
- hydrolysis of the peptide link
- hydrolysis products
- identifying protein structure
- mobile phase
Using primary sequence 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.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge