Biology A-Level
intracellular and extracellular enzymes
What intracellular and extracellular enzymes means in Biology A-Level, as defined for AQA.
Definition of intracellular and extracellular enzymes
Check what you remember
Read the wording for your board, then hide it and explain intracellular and extracellular enzymes in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Enzymes catalyse a wide range of reactions inside and outside cells that determine structures and functions from cellular to whole-organism level.
Topics that use intracellular and extracellular enzymes
- Many proteins are enzymes (AQA A-Level)
Related terms
- activation energy
- active site
- competitive inhibition
- conformational change
- denaturation
- enzyme specificity
- enzyme-substrate complex
- induced fit
Using intracellular and extracellular enzymes 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