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Chapter 5: Microbial Metabolism
Enzymes
Energy
Production
Catabolic
Reactions
Photosynthesis
Metabolic
Pathways
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FINAL ROUND
© 2013 Pearson Education, Inc.
Topic 1: Enzymes
$100 Question
The enzyme-regulated energy-requiring
reactions are mostly involved in
a.
b.
c.
d.
catabolism.
anabolism.
photosynthesis.
oxidation.
ANSWER
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© 2013 Pearson Education, Inc.
Topic 1: Enzymes
$100 Answer
The enzyme-regulated energy-requiring
reactions are mostly involved in
a.
b.
c.
d.
catabolism.
anabolism.
photosynthesis.
oxidation.
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Topic 1: Enzymes
$200 Question
In living cells, the enzyme-regulated chemical
reactions that release energy are generally
involved in
a.
b.
c.
d.
catabolism.
anabolism.
photosynthesis.
oxidation.
ANSWER
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© 2013 Pearson Education, Inc.
Topic 1: Enzymes
$200 Answer
In living cells, the enzyme-regulated chemical
reactions that release energy are generally
involved in
a.
b.
c.
d.
catabolism.
anabolism.
photosynthesis.
oxidation.
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Topic 1: Enzymes
$300 Question
Denaturation of an enzyme involves breakage of
a.
b.
c.
d.
peptide bonds.
ionic bonds.
hydrogen bonds and other noncovalent bonds.
hydrogen bonds and peptide bonds.
ANSWER
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Topic 1: Enzymes
$300 Answer
Denaturation of an enzyme involves breakage of
a. peptide bonds.
b. ionic bonds.
c. hydrogen bonds and other noncovalent
bonds.
d. hydrogen bonds and peptide bonds.
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Topic 1: Enzymes
$400 Question
Enzymes increase the speed of a chemical
reaction by
a. lowering the energy of activation.
b. increasing the energy of activation.
c. increasing the frequency of collisions of the
reactants.
d. decreasing the frequency of collisions of
ANSWER
the reactants.
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© 2013 Pearson Education, Inc.
Topic 1: Enzymes
$400 Answer
Enzymes increase the speed of a chemical
reaction by
a. lowering the energy of activation.
b. increasing the energy of activation.
c. increasing the frequency of collisions of the
reactants.
d. decreasing the frequency of collisions of
the reactants.
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Topic 1: Enzymes
$500 Question
Apoenzymes are inactive by themselves and
must be activated by
a.
b.
c.
d.
cofactors.
ATP.
holoenzymes.
substrates.
ANSWER
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© 2013 Pearson Education, Inc.
Topic 1: Enzymes
$500 Answer
Apoenzymes are inactive by themselves and
must be activated by
a.
b.
c.
d.
cofactors.
ATP.
holoenzymes.
substrates.
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Topic 2: Energy Production
$100 Question
What process does the electron transport
chain perform?
a.
b.
c.
d.
glycolysis
substrate-level phosphorylation
photophosphorylation
oxidative phosphorylation
ANSWER
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Topic 2: Energy Production
$100 Answer
What process does the electron transport
chain perform?
a.
b.
c.
d.
glycolysis
substrate-level phosphorylation
photophosphorylation
oxidative phosphorylation
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Topic 2: Energy Production
$200 Question
The addition of a phosphate to ADP is called
a.
b.
c.
d.
decarboxylation.
phosphorylation.
oxidative phosphorylation.
reduction.
ANSWER
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Topic 2: Energy Production
$200 Answer
The addition of a phosphate to ADP is called
a.
b.
c.
d.
decarboxylation.
phosphorylation.
oxidative phosphorylation.
reduction.
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Topic 2: Energy Production
$300 Question
A reduced molecule
a.
b.
c.
d.
is phosphorylated.
loses a hydrogen atom.
gains one or more electrons.
loses a hydrogen atom and gains one or
more electrons.
ANSWER
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Topic 2: Energy Production
$300 Answer
A reduced molecule
a.
b.
c.
d.
is phosphorylated.
loses a hydrogen atom.
gains one or more electrons.
loses a hydrogen atom and gains one or
more electrons.
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Topic 2: Energy Production
$400 Question
The energy from catabolic reactions is used to
produce
a.
b.
c.
d.
ADP.
ATP.
AMP.
phosphate.
ANSWER
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© 2013 Pearson Education, Inc.
Topic 2: Energy Production
$400 Answer
The energy from catabolic reactions is used to
produce
a.
b.
c.
d.
ADP.
ATP.
AMP.
phosphate.
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Topic 2: Energy Production
$500 Question
In which of the following is chemical energy
used for carbon fixation?
a.
b.
c.
d.
photosynthesis
Krebs cycle
fermentation
glycolysis
ANSWER
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Topic 2: Energy Production
$500 Answer
In which of the following is chemical energy
used for carbon fixation?
a.
b.
c.
d.
photosynthesis
Krebs cycle
fermentation
glycolysis
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Topic 3: Catabolic Reactions
$100 Question
What are the overall (net) products of
glycolysis?
a.
b.
c.
d.
1 pyruvic acid, 4 ATP, 2 NADH
2 pyruvic acid, 2 ATP, 2 NADH
1 pyruvic acid, 2 ATP, 4 NADH
2 pyruvic acid, 4 ATP, 2 NADH
ANSWER
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© 2013 Pearson Education, Inc.
Topic 3: Catabolic Reactions
$100 Answer
What are the overall (net) products of
glycolysis?
a.
b.
c.
d.
.
1 pyruvic acid, 4 ATP, 2 NADH
2 pyruvic acid, 2 ATP, 2 NADH
1 pyruvic acid, 2 ATP, 4 NADH
2 pyruvic acid, 4 ATP, 2 NADH
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Topic 3: Catabolic Reactions
$200 Question
How many molecules of ATP can be
generated from the three phases in the
respiration of glucose in prokaryotes?
a.
b.
c.
d.
2
4
34
38
ANSWER
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© 2013 Pearson Education, Inc.
Topic 3: Catabolic Reactions
$200 Answer
How many molecules of ATP can be
generated from the three phases in the
respiration of glucose in prokaryotes?
a.
b.
c.
d.
2
4
34
38
BACK TO GAME
© 2013 Pearson Education, Inc.
Topic 3: Catabolic Reactions
$300 Question
The pentose phosphate pathway provides a
means to break down glucose and
a.
b.
c.
d.
five-carbon sugars.
six-carbon sugars.
lipids.
galactose.
ANSWER
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© 2013 Pearson Education, Inc.
Topic 3: Catabolic Reactions
$300 Answer
The pentose phosphate pathway provides a
means to break down glucose and
a.
b.
c.
d.
five-carbon sugars.
six-carbon sugars.
lipids.
galactose.
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© 2013 Pearson Education, Inc.
Topic 3: Catabolic Reactions
$400 Question
The first step in the Krebs cycle is formation of
a.
b.
c.
d.
lactic acid.
pyruvic acid.
citric acid.
acetyl COA.
ANSWER
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Topic 3: Catabolic Reactions
$400 Answer
The first step in the Krebs cycle is formation of
a.
b.
c.
d.
lactic acid.
pyruvic acid.
citric acid.
acetyl COA.
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Topic 3: Catabolic Reactions
$500 Question
In aerobic respiration, what is the fate of the
pyruvic acid produced in glycolysis?
a.
b.
c.
d.
It is catabolized in glycolysis.
It is reduced to lactic acid.
It is oxidized in the Krebs cycle.
It is oxidized in the electron transport chain.
ANSWER
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Topic 3: Catabolic Reactions
$500 Answer
In aerobic respiration, what is the fate of the
pyruvic acid produced in glycolysis?
a.
b.
c.
d.
It is catabolized in glycolysis.
It is reduced to lactic acid.
It is oxidized in the Krebs cycle.
It is oxidized in the electron transport chain.
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Topic 4: Photosynthesis
$100 Question
Where does photosynthesis take place in
eukaryotic cells?
a.
b.
c.
d.
mitochondria
ribosomes
chloroplasts
lysosomes
ANSWER
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© 2013 Pearson Education, Inc.
Topic 4: Photosynthesis
$100 Answer
Where does photosynthesis take place in
eukaryotic cells?
a.
b.
c.
d.
mitochondria
ribosomes
chloroplasts
lysosomes
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Topic 4: Photosynthesis
$200 Question
Photosynthesis takes place in
a.
b.
c.
d.
one stage.
two stages.
three stages.
four stages.
ANSWER
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Topic 4: Photosynthesis
$200 Answer
Photosynthesis takes place in
a.
b.
c.
d.
one stage.
two stages.
three stages.
four stages.
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Topic 4: Photosynthesis
$300 Question
In the Calvin-Benson cycle,
a.
b.
c.
d.
oxygen is used to synthesize sugars.
carbon dioxide is used to synthesize sugars.
ADP is formed.
light is required.
ANSWER
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Topic 4: Photosynthesis
$300 Answer
In the Calvin-Benson cycle,
a.
b.
c.
d.
oxygen is used to synthesize sugars.
carbon dioxide is used to synthesize sugars.
ADP is formed.
light is required.
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© 2013 Pearson Education, Inc.
Topic 4: Photosynthesis
$400 Question
When water is oxidized by green plants, what
is produced?
a.
b.
c.
d.
oxygen
carbon dioxide
sulfur granules
hydrogen sulfide
ANSWER
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© 2013 Pearson Education, Inc.
Topic 4: Photosynthesis
$400 Answer
When water is oxidized by green plants, what
is produced?
a.
b.
c.
d.
oxygen
carbon dioxide
sulfur granules
hydrogen sulfide
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Topic 4: Photosynthesis
$500 Question
In cyclic photophosphorylation, the electrons
a.
b.
c.
d.
return to chlorophyll.
are incorporated in NADPH.
are converted to ATP.
are converted to glucose.
ANSWER
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Topic 4: Photosynthesis
$500 Answer
In cyclic photophosphorylation, the electrons
a.
b.
c.
d.
return to chlorophyll.
are incorporated in NADPH.
are converted to ATP.
are converted to glucose.
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Topic 5: Metabolic Pathways
$100 Question
In order for bacteria to synthesize glycogen, a
molecule of ATP is added to glucose 6-phosphate
to form
a.
b.
c.
d.
uridine diphosphoglucose.
fructose 6-phosphate.
adenosine diphosphoglucose.
UDP-N-acetylglucosamine.
ANSWER
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Topic 5: Metabolic Pathways
$100 Answer
In order for bacteria to synthesize glycogen, a
molecule of ATP is added to glucose 6-phosphate
to form
a.
b.
c.
d.
uridine diphosphoglucose.
fructose 6-phosphate.
adenosine diphosphoglucose.
UDP-N-acetylglucosamine.
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Topic 5: Metabolic Pathways
$200 Question
Dihydroxyacetone phosphate, used to derive
glycerol, is taken from
a.
b.
c.
d.
the Krebs cycle.
glycolysis.
the electron transport chain.
the Calvin-Benson cycle.
ANSWER
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© 2013 Pearson Education, Inc.
Topic 5: Metabolic Pathways
$200 Answer
Dihydroxyacetone phosphate, used to derive
glycerol, is taken from
a.
b.
c.
d.
the Krebs cycle.
glycolysis.
the electron transport chain.
the Calvin-Benson cycle.
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Topic 5: Metabolic Pathways
$300 Question
If an amine group comes from a preexisting
amino acid, the process is called
a.
b.
c.
d.
beta-oxidation.
amination.
transamination.
beta-reduction.
ANSWER
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Topic 5: Metabolic Pathways
$300 Answer
If an amine group comes from a preexisting
amino acid, the process is called
a.
b.
c.
d.
beta-oxidation.
amination.
transamination.
beta-reduction.
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Topic 5: Metabolic Pathways
$400 Question
The five-carbon sugars of nucleotides are
derived from either the ______ or ______.
a. pentose phosphate pathway; EntnerDoudoroff pathway
b. pentose phosphate pathway; the Krebs
cycle
c. Entner-Doudoroff pathway; glycolysis
ANSWER
d. glycolysis; the Krebs cycle
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© 2013 Pearson Education, Inc.
Topic 5: Metabolic Pathways
$400 Answer
The five-carbon sugars of nucleotides are
derived from either the ______ or ______.
a. pentose phosphate pathway; EntnerDoudoroff pathway
b. pentose phosphate pathway; the Krebs
cycle
c. Entner-Doudoroff pathway; glycolysis
d. glycolysis; the Krebs cycle
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Topic 5: Metabolic Pathways
$500 Question
Metabolic pathways that function in both
anabolism and catabolism are called _____
pathways.
a.
b.
c.
d.
anacatab
reversible
redox
amphibolic
ANSWER
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© 2013 Pearson Education, Inc.
Topic 5: Metabolic Pathways
$500 Answer
Metabolic pathways that function in both
anabolism and catabolism are called _____
pathways.
a.
b.
c.
d.
anacatab
reversible
redox
amphibolic
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© 2013 Pearson Education, Inc.
FINAL ROUND Question
In glycolysis, for each molecule of glucose that
is oxidized, there is a net gain of _____
molecules of ATP.
a.
b.
c.
d.
two
four
six
eight
ANSWER
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© 2013 Pearson Education, Inc.
FINAL ROUND Answer
In glycolysis, for each molecule of glucose that
is oxidized, there is a net gain of _____
molecules of ATP.
a.
b.
c.
d.
two
four
six
eight
BACK TO GAME
© 2013 Pearson Education, Inc.