Question 1

Which primary fraction of plant biomass is used as feedstock for biofuels production?

Accepted Answer

A)  disaccharides 
B)  cellulose 
C)  pectin 
D)  chitin 
E)  protein 
A)  disaccharides 
B)  cellulose 
C)  pectin 
D)  chitin 
E)  protein

Question 2

Why do microorganisms accumulate polyhydroxyalkanoates?

Accepted Answer

A)  It is a waste product of metabolism. 
B)  It is used for cell wall synthesis. 
C)  It is a form of stored energy. 
D)  It acts as an outer capsule. 
E)  For osmotic protection. 
A)  It is a waste product of metabolism. 
B)  It is used for cell wall synthesis. 
C)  It is a form of stored energy. 
D)  It acts as an outer capsule. 
E)  For osmotic protection.

Question 3

PCR can be used to introduce mutations into a microbial genome.

Accepted Answer

A) True 
 B)False

Question 4

A fed-batch reactor is different from a chemostat because a chemostat culture:

Accepted Answer

A)  promotes density with a limiting nutrient. 
B)  replaces cultures with fresh medium. 
C)  has very high cell densities. 
D)  uses excess nutrients. 
E)  is aerated while a fed-batch culture is anaerobic. 
A)  promotes density with a limiting nutrient. 
B)  replaces cultures with fresh medium. 
C)  has very high cell densities. 
D)  uses excess nutrients. 
E)  is aerated while a fed-batch culture is anaerobic.

Question 5

The first recombinant protein produced for human use was ________.

Accepted Answer

The answer of The first recombinant protein produced for human...

Question 6

Insect resistant transgenic plants are produced by the insertion of a gene into the plant genome from which insect toxin-producing bacterium?

Accepted Answer

A)  Agrobacterium tumefaciens 
B)  Bacillus thuringiensis 
C)  Corynebacterium glutamicum 
D)  Pseudomonas syringae 
E)  Xanthomonas campestris 
A)  Agrobacterium tumefaciens 
B)  Bacillus thuringiensis 
C)  Corynebacterium glutamicum 
D)  Pseudomonas syringae 
E)  Xanthomonas campestris

Question 7

Explain how the Ti plasmid- from Agrobacterium is used to create transgenic plants.

Accepted Answer

The Ti plasmid from Agrobacterium is use

Question 8

Which of these is NOT considered a biofuel?

Accepted Answer

A)  ethanol 
B)  methane 
C)  solar cells 
D)  algal lipids 
E)  butanol 
A)  ethanol 
B)  methane 
C)  solar cells 
D)  algal lipids 
E)  butanol

Question 9

Under what condition would directed enzyme evolution be more appropriate that site-directed mutagenesis?

Accepted Answer

A)  When attempting to produce an altered enzyme. 
B)  When you want the enzyme to catalyze a different type of reaction. 
C)  If very little is known about the enzyme structure. 
D)  If you want to permanently disable the enzyme. 
E)  If you want the enzyme expressed in a different organism. 
A)  When attempting to produce an altered enzyme. 
B)  When you want the enzyme to catalyze a different type of reaction. 
C)  If very little is known about the enzyme structure. 
D)  If you want to permanently disable the enzyme. 
E)  If you want the enzyme expressed in a different organism.

Question 10

Microbes used for the production of amino acids are regulatory mutants for overproduction of the amino acid.The regulatory mutants are selected for by growing the microbe in the presence what material?

Accepted Answer

A)  an antibiotic 
B)  a mutagen 
C)  an amino acid analog 
D)  the amino acid of interest 
E)  an excess of glucose 
A)  an antibiotic 
B)  a mutagen 
C)  an amino acid analog 
D)  the amino acid of interest 
E)  an excess of glucose

Question 11

The bacterium Bacillus megaterium naturally accumulates the storage granule poly-β-hydroxybutyrate.This storage product is used to make _________.

Accepted Answer

The answer of The bacterium Bacillus megaterium naturally accumulates the...

Question 12

Roundup Ready™ transgenic plants were created by inserting a glyphosate resistant gene from ___________________ into the plant chloroplast genome.

Accepted Answer

A)  Rhizobium 
B)  Agrobacterium 
C)  Pseudomonas 
D)  Xanthomonas 
E)  Corynebacterium 
A)  Rhizobium 
B)  Agrobacterium 
C)  Pseudomonas 
D)  Xanthomonas 
E)  Corynebacterium

Question 13

Eukaryal proteins that are expressed in bacteria frequently have low biological activity.Why?

Accepted Answer

A)  The introns were not removed from the mRNA. 
B)  The protein was not modified by glycosylation. 
C)  Eukaryotic proteins are only partly translated by bacteria. 
D)  The eukaryal genetic code is different from bacterial genetic code. 
E)  The translation termination rarely occurs correctly. 
A)  The introns were not removed from the mRNA. 
B)  The protein was not modified by glycosylation. 
C)  Eukaryotic proteins are only partly translated by bacteria. 
D)  The eukaryal genetic code is different from bacterial genetic code. 
E)  The translation termination rarely occurs correctly.

Which primary fraction of plant biomass is used as feedstock for biofuels production?

Why do microorganisms accumulate polyhydroxyalkanoates?

PCR can be used to introduce mutations into a microbial genome.

A fed-batch reactor is different from a chemostat because a chemostat culture:

The first recombinant protein produced for human use was ________.

Insect resistant transgenic plants are produced by the insertion of a gene into the plant genome from which insect toxin-producing bacterium?

Explain how the Ti plasmid- from Agrobacterium is used to create transgenic plants.

Which of these is NOT considered a biofuel?

Under what condition would directed enzyme evolution be more appropriate that site-directed mutagenesis?

Microbes used for the production of amino acids are regulatory mutants for overproduction of the amino acid.The regulatory mutants are selected for by growing the microbe in the presence what material?

The bacterium Bacillus megaterium naturally accumulates the storage granule poly-β-hydroxybutyrate.This storage product is used to make _________.

Roundup Ready™ transgenic plants were created by inserting a glyphosate resistant gene from ___________________ into the plant chloroplast genome.

Eukaryal proteins that are expressed in bacteria frequently have low biological activity.Why?

The Microbial World

Bacteria

Eukaryal Microbes

Archaea

Viruses

Cultivating Microorganisms

DNA Replication and Gene Expression

Viral Replication Strategies

Bacterial Genetic Analysis

Microbial Genomics

Regulation of Gene Expression

Metabolism

Biogeochemical Cycles

Microbial Ecosystems

The Microbiology of Food and Water

Microbial Symbionts

Introduction to Infectious Diseases

Innate Host Defenses Against Microbial Invasion

Adaptive Immunity

Survival in the Host

Viral Pathogenesis

Eukaryal Microbe Pathogenesis

Control of Infectious Diseases

Filters

Exam 12: Microbial Biotechnology

Which primary fraction of plant biomass is used as feedstock for biofuels production?

Why do microorganisms accumulate polyhydroxyalkanoates?

PCR can be used to introduce mutations into a microbial genome.

A fed-batch reactor is different from a chemostat because a chemostat culture:

The first recombinant protein produced for human use was ________.

Insect resistant transgenic plants are produced by the insertion of a gene into the plant genome from which insect toxin-producing bacterium?

Explain how the Ti plasmid- from Agrobacterium is used to create transgenic plants.

Which of these is NOT considered a biofuel?

Under what condition would directed enzyme evolution be more appropriate that site-directed mutagenesis?

Microbes used for the production of amino acids are regulatory mutants for overproduction of the amino acid.The regulatory mutants are selected for by growing the microbe in the presence what material?

The bacterium Bacillus megaterium naturally accumulates the storage granule poly-β-hydroxybutyrate.This storage product is used to make _________.

Roundup Ready™ transgenic plants were created by inserting a glyphosate resistant gene from ___________________ into the plant chloroplast genome.

Eukaryal proteins that are expressed in bacteria frequently have low biological activity.Why?

The Microbial World

Bacteria

Eukaryal Microbes

Archaea

Viruses

Cultivating Microorganisms

DNA Replication and Gene Expression

Viral Replication Strategies

Bacterial Genetic Analysis

Microbial Genomics

Regulation of Gene Expression

Metabolism

Biogeochemical Cycles

Microbial Ecosystems

The Microbiology of Food and Water

Microbial Symbionts

Introduction to Infectious Diseases

Innate Host Defenses Against Microbial Invasion

Adaptive Immunity

Survival in the Host

Viral Pathogenesis

Eukaryal Microbe Pathogenesis

Control of Infectious Diseases

Filters