Biology A-Level
affinity for oxygen
What affinity for oxygen means in Biology A-Level, as defined for AQA.
Definition of affinity for oxygen
Check what you remember
Read the wording for your board, then hide it and explain affinity for oxygen in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Determined by the environment around the haem groups, which differs because primary structure determines tertiary and quaternary structure.
Topics that use affinity for oxygen
- Mass transport in animals (AQA A-Level)
Related terms
- affinity
- atrial systole
- Atrioventricular valves
- biconcave disc
- Biological drawing conventions
- Bohr effect
- Causation
- Conflicting evidence
Using affinity for oxygen 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.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge