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Describe how starch is digested in the digestive system: (a) amylase breaks starch down into maltose, (b) maltase converts maltose into glucose at the surface of the small intestine's epithelial lining.

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Cambridge IGCSE BiologyHuman nutritionSupplement content

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Describe how starch is digested in the digestive system: (a) amylase breaks starch down into maltose, (b) maltase converts maltose into glucose at the surface of the small intestine's epithelial lining

This point belongs to Chemical digestion, especially Chemical digestion outcomes.
You need to be able to describe how starch is digested in the digestive system: (a) amylase breaks starch down into maltose, (b) maltase converts maltose into glucose at the surface of the small intestine's epithelial lining.
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Describe

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Paper 4 structured question: Chemical digestion

Paper 4Theory (Extended)2 marks

Description

Starch Digestion

Starch is a carbohydrate that is digested in the digestive system by enzymes. Amylase breaks starch down into maltose. Maltase then converts maltose into glucose at the surface of the small intestine's epithelial lining.

a
Describe how starch is digested in the digestive system.
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Aim for approximately 2 distinct marking points.
[2]

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