Preparation and use of an immobilised enzyme (LC 2026) (Leaving Cert Biology): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are immobilised enzymes?
What are immobilised enzymes?
Enzymes attached to an inert material
What three substances are mixed initially to form a paste?
What three substances are mixed initially to form a paste?
Sodium alginate, water, and yeast
What forms when the mixture is dropped into calcium chloride solution?
What forms when the mixture is dropped into calcium chloride solution?
Beads containing yeast cells
Why must all glassware be sterilised?
Why must all glassware be sterilised?
To ensure no contamination from microbes
How should the mixture be released from the syringe?
How should the mixture be released from the syringe?
One drop at a time
Why are the beads rinsed with distilled water?
Why are the beads rinsed with distilled water?
To remove excess free enzyme
What solution is poured into the separating funnels?
What solution is poured into the separating funnels?
Sucrose solution
What product is being tested for using Clinistix?
What product is being tested for using Clinistix?
Glucose
What is used to test for glucose in the samples?
What is used to test for glucose in the samples?
Clinistix
What property of the solutions is compared at the end?
What property of the solutions is compared at the end?
Turbidity
How many separating funnels are used in part ii?
How many separating funnels are used in part ii?
Two
What is produced from sucrose in this experiment?
What is produced from sucrose in this experiment?
Glucose