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Clarify how lactase is used to create lactose-free milk.

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  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE BiologyBiotechnology and genetic modificationSupplement content

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Clarify how lactase is used to create lactose-free milk

  • This point belongs to Biotechnology, especially Biotechnology outcomes.
  • You need to be able to clarify how lactase is used to create lactose-free milk.
  • The key ideas to know are Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Explain

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Paper 4 structured question: Biotechnology

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Description

Lactase and Lactose-Free Milk

Lactase is an enzyme that breaks down lactose in milk into glucose and galactose. This process produces lactose-free milk, which is suitable for people who are lactose intolerant.

  1. a

    Explain how lactase is used to create lactose-free milk.

    Aim for approximately 3 distinct marking points.

    [3]
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