MICROBIOLOGY 3200 WITH MEHARI EXAM 2
VERSION 1 QUESTIONS WIH VERIFIED SOLUTIONS
NEWLY MODIFIED
Glucose is activated by __________phosphorylation(s) by ATP
during the first stage of the EMP glycolysis pathway.
a. one
b. two
c. three
d. four
e. Glucose is not phosphorylated. --CORRECT ANSWER--b
In glycolysis, dihydroxyacetone phosphate is isomerized to
_______________________________________, which enters the
second stage of the pathway.
a. glucose 6-phosphate
b. glyceraldehyde 3 phosphate
c. phosphoenolpyruvate
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,d. fructose 6-phosphate
e. pyruvate --CORRECT ANSWER--b
Which of the following s NOT an end product of fermentation?
a. carbon dioxide
b. acetone
c. pyruvate
d. butanol
e. lactate --CORRECT ANSWER--c
An organism is introduced to a broth media that contains sugars and
phenol red indicator. After 24 hrs. incubation, the media turns to
yellow color and also generates a CO2 gas. Which of the following
could be happening in that tube?
a. Homolactic fermentation
b. Ethanolic fermatation
c. Heterolactic fermantation
d. Glycolyisis of glucose --CORRECT ANSWER--c
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, In many bacteria, the electron carrier __________ is used for
biosynthesis, whereas __________ feeds the electron transport
system.
a. NADPH; NADH
b. FADH2; NADPH
c. NADH; acetyl-S- CoA
d. chlorophyll; NADPH --CORRECT ANSWER--a
The enzyme pyruvate kinase catalyzes the conversion of
phosphoenolpyruvate to pyruvate; the phosphate group is transferred
to ADP to form ATP. This reaction is an example of
a. ATP synthesis by substrate-level phosphorylation.
b. ATP synthesis by the use of PMF FoF1 ATPases.
c. ATP coupled to FADH2 oxidation.
d. Oxidative phosphorylation. --CORRECT ANSWER--a
Which of the following pairs is mismatched?
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VERSION 1 QUESTIONS WIH VERIFIED SOLUTIONS
NEWLY MODIFIED
Glucose is activated by __________phosphorylation(s) by ATP
during the first stage of the EMP glycolysis pathway.
a. one
b. two
c. three
d. four
e. Glucose is not phosphorylated. --CORRECT ANSWER--b
In glycolysis, dihydroxyacetone phosphate is isomerized to
_______________________________________, which enters the
second stage of the pathway.
a. glucose 6-phosphate
b. glyceraldehyde 3 phosphate
c. phosphoenolpyruvate
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,d. fructose 6-phosphate
e. pyruvate --CORRECT ANSWER--b
Which of the following s NOT an end product of fermentation?
a. carbon dioxide
b. acetone
c. pyruvate
d. butanol
e. lactate --CORRECT ANSWER--c
An organism is introduced to a broth media that contains sugars and
phenol red indicator. After 24 hrs. incubation, the media turns to
yellow color and also generates a CO2 gas. Which of the following
could be happening in that tube?
a. Homolactic fermentation
b. Ethanolic fermatation
c. Heterolactic fermantation
d. Glycolyisis of glucose --CORRECT ANSWER--c
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, In many bacteria, the electron carrier __________ is used for
biosynthesis, whereas __________ feeds the electron transport
system.
a. NADPH; NADH
b. FADH2; NADPH
c. NADH; acetyl-S- CoA
d. chlorophyll; NADPH --CORRECT ANSWER--a
The enzyme pyruvate kinase catalyzes the conversion of
phosphoenolpyruvate to pyruvate; the phosphate group is transferred
to ADP to form ATP. This reaction is an example of
a. ATP synthesis by substrate-level phosphorylation.
b. ATP synthesis by the use of PMF FoF1 ATPases.
c. ATP coupled to FADH2 oxidation.
d. Oxidative phosphorylation. --CORRECT ANSWER--a
Which of the following pairs is mismatched?
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