Bioprocessing (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
ShowHide
Practise the questions
13 questions from this quiz
What is bioprocessing?
What is bioprocessing?
Use of enzyme-controlled reactions
What is a bioreactor?
What is a bioreactor?
A metal vat for enzyme reactions
Which products are made using modern bioprocessing?
Which products are made using modern bioprocessing?
Cheese, yoghurts, vitamins, alcohols
How many main types of bioprocessing are there?
How many main types of bioprocessing are there?
Two
In batch processing, when is the product formed?
In batch processing, when is the product formed?
During log and stationary phases
When is batch processing stopped?
When is batch processing stopped?
Before the decline phase
What advantage does batch processing have if contamination occurs?
What advantage does batch processing have if contamination occurs?
Only one batch is spoiled
What is a disadvantage of batch processing?
What is a disadvantage of batch processing?
Sterilised often, time consuming
What does sterile mean?
What does sterile mean?
Free from all microorganisms
In continuous flow, how are nutrients added?
In continuous flow, how are nutrients added?
At same rate product withdrawn
Which growth phase is maintained in continuous flow processing?
Which growth phase is maintained in continuous flow processing?
Log growth phase
What sterilisation advantage does continuous flow have over batch?
What sterilisation advantage does continuous flow have over batch?
Less frequent sterilisation required
What is a disadvantage of continuous flow processing?
What is a disadvantage of continuous flow processing?
Requires constant monitoring