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Murphy Biochem Rutgers Exam 2 LATEST Questions
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Murphy Biochem Rutgers Exam 2 LATESTQuestions
Place the following reaction intermediates of the CAC in chronological
order
i. malate ii. fumarate iii. succinyl CoA iv. citrate v. a-ketoglutarate -
Correct Answers ✅iv, v, iii, ii, i
Oxalosuccinate is a transient intermediate formed during which of the
following reactions? - Correct Answers ✅isocitrate to a-
ketoglutarate
FADH2 is a product of which of the following reactions? - Correct
Answers ✅succinate to fumarate
NADH is produced in which of the following reactions? - Correct
Answers ✅a-ketoglutarate to succinyl CoA
Which of the following reactions can be described as anaplerotic? -
Correct Answers ✅pyruvate + co2 to oxaloacetate
The enzymes that are unique to the glyoxylate cycle include
____________ - Correct Answers ✅isocitrate lyase
The regulated enzyme of the CAC include _________ - Correct Answers
✅a-ketoglutarate dehydrogenase
,Murphy Biochem Rutgers Exam 2 LATEST
Questions
The enzymes involved in citrate metabolism include all of the following
except ________ - Correct Answers ✅malate synthase
Redox potential is best defined as - Correct Answers ✅the
tendency of a species to gain or lose electrons
In order to determine the standard voltage of a reaction - Correct
Answers ✅the standard cells must be written as they occur in the
reaction and the voltages are added
Which of the following reactions is an oxidation reaction?
a. NaOH + HCl -> NaCl + H2O
b. CH3COOH -> CH3COO- + H+
c. CH3CHO -> CH3CH2OH
d. CH3CH2OH -> CH3CHO
e. CH2=CH2 + H2O -> CH3CH2OH - Correct Answers ✅CH3CH2OH -
> CH3CHO
Which of the following reactions has an oxidized product?
a. carboxylic acid -> aldehyde
b. R-SH + R-SH -> R-S-S-R
,Murphy Biochem Rutgers Exam 2 LATEST
Questions
c. alcohol -> ketone
d. glutamate -> a-ketoglutarate
e. none of the above - Correct Answers ✅none of the above
In any redox reaction, an electron donor is - Correct Answers ✅the
reducing agent
In an redox reaction, an electron acceptor is - Correct Answers
✅converted to an electron donor with the gain of one or more
electrons
Each turn of the CAC produces how many moles of CO2? - Correct
Answers ✅2
Acetyl CoA that is consumed by the CAC is produced from which of the
following biochemical pathways?
a. glycolysis
b. fatty acid oxidation
c. purine catabolism
d. urea cycle
e. both A and B are correct - Correct Answers ✅both A and B are
correct
, Murphy Biochem Rutgers Exam 2 LATEST
Questions
Which of the following is the strongest reducing agent?
a. FADH2 (+ 0.22 V)
b. H2 (+ 0.424 V)
c. cytochrome a * Fe 2+ (-0.29 V)
d. lactate (+0.19 V)
e. H2O (-0.82 V) - Correct Answers ✅H2
Which of the following reacts with the acetyl-CoA to form citrate? -
Correct Answers ✅oxaloacetate
The redox reaction in which succinate is converted to fumarate uses
FAD rather than NAD+ because? - Correct Answers ✅FAD is a
stronger oxidizing agent than NAD+
Which of the following CAC enzymes are closely regulated?
a. citrate synthase
b. isocitrate dehydrogenase
c. a-ketoglutarate dehydrogenase
d. both A and B are correct
e. A, B, and C are all correct - Correct Answers ✅A, B, and C are all
correct
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