carboxyl and amine groups
What carboxyl and amine groups means in Biology A-Level, as defined for AQA.
Definition of carboxyl and amine groups
Check what you remember
Read the wording for your board, then hide it and explain carboxyl and amine groups in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The backbone groups that are always joined, never the R groups, leaving a free amine group at one end and a free carboxyl group at the other.
Topics that use carboxyl and amine groups
- General properties of proteins (AQA A-Level)
Related terms
- active sites and binding sites
- amino acids
- condensation arithmetic
- condensation reaction
- denaturation
- disulfide bridges
- haemoglobin and antibodies
- hydrogen bonds
Using carboxyl and amine groups 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 Biology 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