The diagram shows how milk can be treated using the enzyme lactase - Edexcel - GCSE Biology - Question 5 - 2015 - Paper 1
Question 5
The diagram shows how milk can be treated using the enzyme lactase.
a) (i) Explain why milk is treated with lactase.
(ii) Suggest why the lactase enzyme stays in t... show full transcript
Worked Solution & Example Answer:The diagram shows how milk can be treated using the enzyme lactase - Edexcel - GCSE Biology - Question 5 - 2015 - Paper 1
Step 1
Explain why milk is treated with lactase.
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Answer
Milk is treated with lactase to break down lactose, which is a sugar found in milk. This process helps produce lactose-free milk, making it suitable for individuals with lactose intolerance, who are unable to digest lactose properly.
Step 2
Suggest why the lactase enzyme stays in the alginate beads.
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Answer
The lactase enzyme stays in the alginate beads because this allows the enzyme to be reused for multiple rounds of treatment. Additionally, it prevents the enzyme from contaminating the milk and reduces the need for purification of the final product.
