Combined Science GCSE
Catabolic reactions
What Catabolic reactions means in Combined Science GCSE, as defined for AQA.
Definition of Catabolic reactions
Check what you remember
Read the wording for your board, then hide it and explain Catabolic reactions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Reactions that break larger molecules into smaller ones, for example respiration breaking down glucose or digestion hydrolysing starch to maltose.
Topics that use Catabolic reactions
- The human digestive system (AQA GCSE)
Related terms
Using Catabolic reactions 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 Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Combined Science GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge