Bioprocessing with Immobilised Cells (Leaving Cert Biology): Quizzes
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Practise the questions
12 questions from this quiz
What is bioprocessing with immobilised cells used for?
What is bioprocessing with immobilised cells used for?
Carrying out enzyme-controlled reactions
What is an immobilised enzyme attached to?
What is an immobilised enzyme attached to?
An inert material
What substance are cells mixed with first during immobilisation?
What substance are cells mixed with first during immobilisation?
Sodium alginate
What substance causes alginate to form beads?
What substance causes alginate to form beads?
Calcium chloride
What do the pores in immobilised cell beads allow to pass through?
What do the pores in immobilised cell beads allow to pass through?
Substrates and products
Why can yeast cells not escape from the beads?
Why can yeast cells not escape from the beads?
The pores are too small
Which of these is NOT mentioned as a product of immobilised cells?
Which of these is NOT mentioned as a product of immobilised cells?
Antibiotics
What is immobilised E. coli used for?
What is immobilised E. coli used for?
Detoxifying sewage in wastewater
What fuel can be produced using immobilised cells?
What fuel can be produced using immobilised cells?
Biogas
What happens to cells during the immobilisation process?
What happens to cells during the immobilisation process?
They remain very stable
How many times can immobilised cells be used?
How many times can immobilised cells be used?
Many times
Why are immobilised cells preferred over immobilised enzymes?
Why are immobilised cells preferred over immobilised enzymes?
Enzymes are more difficult and expensive