Biology GCSE
Enzyme action
What Enzyme action means in Biology GCSE, as defined for AQA.
Definitions of Enzyme action
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Reference: AQA
A change in shape can change the protein's function, for example an enzyme's active site may no longer fit its substrate.
Chemical digestion uses enzymes, which catalyse the breakdown of carbohydrates, proteins and lipids into their products.
Enzymes break large insoluble molecules into small soluble molecules such as glucose, amino acids and glycerol.
Topics that use Enzyme action
- DNA structure (biology only) (AQA GCSE)
- The human digestive system (AQA GCSE)
- Trophic levels (AQA GCSE)
Related terms
- Absorption and transport
- Absorption of soluble nutrients
- active site
- Active site and substrate binding
- Algae
- Amino acid sequence
- Amylase
- Anabolic and catabolic reactions
Using Enzyme action in the exam
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