AQA GCSE Combined Science Trilogy · 8464
Specification 4.2.2.1 · Paper 1
Revise: Digestion, absorption and bileLipases break down lipids, also called fats, into glycerol and fatty acids.
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GCSE Combined Science · key term
An enzyme that breaks down lipids into glycerol and fatty acids.
Used by AQA
Specification 4.2.2.1 · Paper 1
Revise: Digestion, absorption and bileLipases break down lipids, also called fats, into glycerol and fatty acids.
Explain both ways bile helps lipase: neutralisation provides suitable alkaline conditions, while emulsification increases the surface area of fat.
Do not describe bile as an enzyme. Emulsification forms smaller fat droplets; lipase chemically breaks down the fat molecules.
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