Uses of immobilising enzymes Flashcards

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1
Q

Name an enzyme reaction involving the substrate glucose

A

An immobilised enzyme called glucose isomerase is used to convert glucose to the sweeter-tasting fructose.

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2
Q

Name an enzyme reaction involving the substrate penicillin

A

Penicillin acylase is used in an immobilised form in large bioreactors to convert penicillin into new antibiotics.

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3
Q

Why is it good that penicillin acylase can be immobilised?

A

As penicillin acylase is a very expensive enzyme and it can be recovered and reused to reduce costs.

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4
Q

How is lactase immobilised?

A

It is immobilised in porous beads.

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5
Q

What is the enzyme lactase used to convert into what?

A

It is used to convert lactose ( a sugar found in whey) into glucose and galactose.

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6
Q

What are glucose and galactose used to replace in the manufacture of what?

A

These products are used to replace condensed milk in the manufacture of soft toffee and caramel.

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