Course

Microbiology

Study Pack

Set 16 Better Living With Microorganisms Industrial And Applied Microbiology

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Question 1

(Multiple Choice)

Free
Which of the following is an example of an extremozyme?

A) a microorganism that is isolated from a very hot, thermal pool of water
B) the Taq polymerase, isolated from Thermus aquaticus, which is used in PCR
C) a cellulase enzyme, which can digest cellulose, used in a stain remover
D) a biopesticide used to control insect pests in the garden
E) a microorganism used in nanotechnology

Answer

Question 2

(Multiple Choice)

Free
Some bacteria release electrons, which can then be bound to an electrode, generating electricity. This process may be used:

A) to produce cellulosic ethanol.
B) to produce biodegradable plastics.
C) to create microbial fuel cells.
D) to separate valuable minerals from rock deposits.
E) as a biologically produced hydrocarbon.

Answer

Question 3

(Multiple Choice)

Free
If bacteria that have undergone strain improvement are introduced into a natural environment:

A) they will usually outcompete and replace naturally occurring, wild-type strains.
B) they will usually be outcompeted by naturally occurring wild-type strains.
C) they will usually act as predators on naturally occurring wild-type strains.
D) they will usually serve as prey for naturally occurring wild-type strains.
E) they will usually act as commensals with naturally occurring, wild-type strains.

Answer