Question 1

Biosensors involve linking which of the following with electronic circuitry?

Accepted Answer

A)  Microorganisms
B)  Gene chips
C)  Microbially derived enzymes
D)  Both microorganisms and gene chips are used with electronic circuitry.
E)  Both microorganisms and microbially derived enzymes are used with electronic circuitry.F) B) and C)
G) C) and D)

Question 2

A plasmid from the plant pathogenic bacterium ____________ ____________ is chiefly responsible for the successful genetic engineering of plants.

Accepted Answer

Agrobacterium tumefaciens 
agrobacterium tumefaciens

Question 3

__________ are formed by certain bacteria that convert iron to magnetite; these structures are of interest to ______________ because they are despite the fact that they are perfectly formed despite the fact they are only tens of nanometers in diameter.

Accepted Answer

Magnetosomes; nanote...

Question 4

Penicillin is produced by some _________.

Accepted Answer

A)  bacteria
B)  fungi
C)  actinomycetes
D)  protozoanE) A) and B)
F) B) and C)

Question 5

An amino acid that is used as a supplement for breads is _________.

Accepted Answer

A)  leucine
B)  aspartate
C)  proline
D)  lysineE) A) and B)
F) B) and D)

Question 6

Frequently a critical component in the medium,often the carbon source,is added _____________ so that the microorganisms will not have excess substrate available at any given time.

Accepted Answer

A)  sporadically
B)  continuously
C)  gradually
D)  None of these choices are correct.E) B) and C)
F) A) and C)

Question 7

The approach of using mutagenesis and genetic selection to produce microbes with new degradative capabilities or the ability to produce compounds with new and unique properties is called ______________ evolution.

Accepted Answer

The answer of The approach of using mutagenesis and genetic...

Question 8

Diatom shells are of use to nanotechnologists because they build precise,intricate three-dimensional structures in large quantity.

Accepted Answer

A) True 
 B)False

Question 9

Production of semisynthetic penicillins involves chemical modification of a penicillin product after it has been released from penicillin-producing cells.

Accepted Answer

A) True 
 B)False

Question 10

The _____________ lactose is often used as a substrate for penicillin production.

Accepted Answer

A)  monosaccharide
B)  disaccharide
C)  trisaccharide
D)  more complex moleculeE) A) and C)
F) C) and D)

Question 11

A major organism used in the biocontrol of a variety of types of insects is _________.

Accepted Answer

A)  Bacillus subtilis
B)  Bacillus thuringiensis
C)  Clostridium botulinum
D)  Bacillus cereusE) B) and C)
F) A) and B)

Question 12

The major organism used in the microbial production of citric acid is _________.

Accepted Answer

A)  Penicillium notatum
B)  Rhizopus nigrificans
C)  Aspergillus niger
D)  Lactobacillus delbrueckiiE) All of the above
F) None of the above

Question 13

To ensure maximum production of desired metabolites,it is always necessary to maintain organisms in active logarithmic growth.

Accepted Answer

A) True 
 B)False

Question 14

Most antibiotics are produced by _________.

Accepted Answer

A)  unicellular bacteria
B)  streptomyces
C)  yeasts
D)  protozoaE) None of the above
F) All of the above

Question 15

Stirred fermenters can range in size from 3 liters to ____________ liters or larger,depending on production requirements.

Accepted Answer

100,000 or 100000

Question 16

The most commonly used substrate for the production of ethanol for use in fuel comes from which plant source?

Accepted Answer

A)  Algae
B)  Crop residue
C)  Corn
D)  RiceE) A) and B)
F) A) and C)

Question 17

In many ways,______________ as a biofuel compares very favorably to ethanol and other fuels.
or

Accepted Answer

The answer of In many ways,______________ as a biofuel compares...

Question 18

The Ti plasmid has been genetically engineered to improve its utility as a cloning vector by all of the following EXCEPT B.genes responsible for resisting infection with

Accepted Answer

A)  elements found in other vectors,such as selectable markers and multicloning sites have been added.
B)  thuringiensis have been added.
C)  nonessential regions,including tumor-inducing genes,have been deleted.
D)  genes required for the actual infection of the plant cell by the plasmid are retained.E) A) and D)
F) A) and C) B

Question 19

Why is there a new reliance on metagenomics to find new organisms that may produce a medically or industrially important product?

Accepted Answer

A)  So far,only about 10% of useful microbes have been grown in the laboratory.
B)  Soils contain so many potential sources of microbes producing antibiotics it would take more than a century to screen them all.
C)  We do not have the techniques for growing most microbes found in nature.
D)  All of these argue for the need to use metagenomics to identify new useful microbial products.E) A) and B)
F) C) and D)

Question 20

Corynebacterium glutamicum is used for the large scale industrial production of _________.

Accepted Answer

A)  vitamin B1
B)  antibiotics
C)  amino acids
D)  polysaccharidesE) All of the above
F) C) and D)

Exam 42: Biotechnology and Industrial Microbiology

Biosensors involve linking which of the following with electronic circuitry?

Correct AnswerverifiedShow Answer

A plasmid from the plant pathogenic bacterium ____________ ____________ is chiefly responsible for the successful genetic engineering of plants.

Correct AnswerverifiedAgrobacterium tumefaciens agrobacterium tumefaciens

__________ are formed by certain bacteria that convert iron to magnetite; these structures are of interest to ______________ because they are despite the fact that they are perfectly formed despite the fact they are only tens of nanometers in diameter.

Correct AnswerverifiedMagnetosomes; nanote...View AnswerShow Answer

Penicillin is produced by some _________.

Correct AnswerverifiedShow Answer

An amino acid that is used as a supplement for breads is _________.

Correct AnswerverifiedShow Answer

Frequently a critical component in the medium,often the carbon source,is added _____________ so that the microorganisms will not have excess substrate available at any given time.

Correct AnswerverifiedShow Answer

The approach of using mutagenesis and genetic selection to produce microbes with new degradative capabilities or the ability to produce compounds with new and unique properties is called ______________ evolution.

Correct AnswerverifiedShow Answer

Diatom shells are of use to nanotechnologists because they build precise,intricate three-dimensional structures in large quantity.

Correct AnswerverifiedShow Answer

Production of semisynthetic penicillins involves chemical modification of a penicillin product after it has been released from penicillin-producing cells.

Correct AnswerverifiedShow Answer

The _____________ lactose is often used as a substrate for penicillin production.

Correct AnswerverifiedShow Answer

A major organism used in the biocontrol of a variety of types of insects is _________.

Correct AnswerverifiedShow Answer

The major organism used in the microbial production of citric acid is _________.

Correct AnswerverifiedShow Answer

To ensure maximum production of desired metabolites,it is always necessary to maintain organisms in active logarithmic growth.

Correct AnswerverifiedShow Answer

Most antibiotics are produced by _________.

Correct AnswerverifiedShow Answer

Stirred fermenters can range in size from 3 liters to ____________ liters or larger,depending on production requirements.

Correct Answerverified100,000 or 100000

The most commonly used substrate for the production of ethanol for use in fuel comes from which plant source?

Correct AnswerverifiedShow Answer

In many ways,______________ as a biofuel compares very favorably to ethanol and other fuels. or

Correct AnswerverifiedShow Answer

The Ti plasmid has been genetically engineered to improve its utility as a cloning vector by all of the following EXCEPT B.genes responsible for resisting infection with

Correct AnswerverifiedB

Why is there a new reliance on metagenomics to find new organisms that may produce a medically or industrially important product?

Correct AnswerverifiedShow Answer

Corynebacterium glutamicum is used for the large scale industrial production of _________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

A plasmid from the plant pathogenic bacterium is chiefly responsible for the successful genetic engineering of plants.

Correct Answer
verified
Agrobacterium tumefaciens agrobacterium tumefaciens

are formed by certain bacteria that convert iron to magnetite; these structures are of interest to ____ because they are despite the fact that they are perfectly formed despite the fact they are only tens of nanometers in diameter.

Correct Answer
verified
Magnetosomes; nanote...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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100,000 or 100000

Correct Answer
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Correct Answer
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Correct Answer
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B

Correct Answer
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Correct Answer
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