MURPHY BIOCHEM RUTGERS EXAM 2
EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+
Which of the following requires GDP? - ANSWERS-succinyl-
CoA to succinate
How many oxidation steps are there in the CAC? -
ANSWERS-4
Which of the following is a cofactor for the conversion of
succinate to fumarate? - ANSWERS-FAD
Which of the following reactions involves a substrate level
phosphorylation? - ANSWERS-succinyl-CoA to succinate
The carbon skeletons of which of the following can be
incorporated directly into the protein?
,a. malate
b. succinate
c. a-ketoglutarate
d. oxaloacetate
e. both C and D are correct - ANSWERS-both C and D are
correct
Which of the following is a positive effector of isocitrate
dehydrogenase? - ANSWERS-ADP
Which of the following is not directly required for the
activity of pyruvate dehydrogenase? - ANSWERS-ATP
The overall reaction catalyzed by pyruvate dehydrogenase is
which of the following?
a. CH3COCHO + NAD+ + CoASH -> CH3CHOSCoA + NADH
b. CH3COCOO- + FAD + CoASH -> CH3COSCoA + FADH2
c. CH3COCOO- + NAD+ + CoASH -> CH3COSCoA + NADH
d. CH3CH(OH)COO- + NADH + CoASH -> CH3CH(OH)COSCoA
+ NAD+
e. None of the above are correct
,...what kind of fresh hell is this - ANSWERS-c. CH3COCOO- +
NAD+ + CoASH -> CH3COSCoA + NADH
The CAC is a component of metabolic respiration, i.e,
molecular oxygen is... - ANSWERS-only indirectly involved in
the reactions of the cycle
The reaction process catalyzed by pyruvate dehydrogenase
requires all of the following except ______ - ANSWERS-FMN
All of the following are components of the electron
transport chain except ____________ - ANSWERS-Coenzyme
A
The ETC component that transfers electrons directly to
oxygen is _________ - ANSWERS-cytochrome oxidase
During the oxidation of NADH there are several steps in
which DEo' is sufficient for ATP synthesis. These occur with
in complexes... - ANSWERS-I, III, and IV
Which of the following molecules inhibits Complex I of the
electron transport chain? - ANSWERS-Amytal
, ATP synthesis and mitochondrial electron transport are
coupled by
a. protonmotive force
b. high energy intermediates
c. proton gradient
d. Both A and C are correct
e. A, B, and C are correct - ANSWERS-d. Both A and C are
correct
Evidence supporting the chemiosmotic theory includes all of
the following except - ANSWERS-the pH of a weakly
buffered suspension of mitochondria rises when O2 is
added
Examples of uncouplers include (there are 2) - ANSWERS-
DNP and gramicidin
In the ATP Synthase the F0 factor
a. has 3 types of subunits
b. possesses the ATPase activity
c. is a transmembrane proton channel
EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+
Which of the following requires GDP? - ANSWERS-succinyl-
CoA to succinate
How many oxidation steps are there in the CAC? -
ANSWERS-4
Which of the following is a cofactor for the conversion of
succinate to fumarate? - ANSWERS-FAD
Which of the following reactions involves a substrate level
phosphorylation? - ANSWERS-succinyl-CoA to succinate
The carbon skeletons of which of the following can be
incorporated directly into the protein?
,a. malate
b. succinate
c. a-ketoglutarate
d. oxaloacetate
e. both C and D are correct - ANSWERS-both C and D are
correct
Which of the following is a positive effector of isocitrate
dehydrogenase? - ANSWERS-ADP
Which of the following is not directly required for the
activity of pyruvate dehydrogenase? - ANSWERS-ATP
The overall reaction catalyzed by pyruvate dehydrogenase is
which of the following?
a. CH3COCHO + NAD+ + CoASH -> CH3CHOSCoA + NADH
b. CH3COCOO- + FAD + CoASH -> CH3COSCoA + FADH2
c. CH3COCOO- + NAD+ + CoASH -> CH3COSCoA + NADH
d. CH3CH(OH)COO- + NADH + CoASH -> CH3CH(OH)COSCoA
+ NAD+
e. None of the above are correct
,...what kind of fresh hell is this - ANSWERS-c. CH3COCOO- +
NAD+ + CoASH -> CH3COSCoA + NADH
The CAC is a component of metabolic respiration, i.e,
molecular oxygen is... - ANSWERS-only indirectly involved in
the reactions of the cycle
The reaction process catalyzed by pyruvate dehydrogenase
requires all of the following except ______ - ANSWERS-FMN
All of the following are components of the electron
transport chain except ____________ - ANSWERS-Coenzyme
A
The ETC component that transfers electrons directly to
oxygen is _________ - ANSWERS-cytochrome oxidase
During the oxidation of NADH there are several steps in
which DEo' is sufficient for ATP synthesis. These occur with
in complexes... - ANSWERS-I, III, and IV
Which of the following molecules inhibits Complex I of the
electron transport chain? - ANSWERS-Amytal
, ATP synthesis and mitochondrial electron transport are
coupled by
a. protonmotive force
b. high energy intermediates
c. proton gradient
d. Both A and C are correct
e. A, B, and C are correct - ANSWERS-d. Both A and C are
correct
Evidence supporting the chemiosmotic theory includes all of
the following except - ANSWERS-the pH of a weakly
buffered suspension of mitochondria rises when O2 is
added
Examples of uncouplers include (there are 2) - ANSWERS-
DNP and gramicidin
In the ATP Synthase the F0 factor
a. has 3 types of subunits
b. possesses the ATPase activity
c. is a transmembrane proton channel
