Review (Latest Update )
Questions & Answers {Grade A} 100%
Correct
Which of the following reactions has an oxidized product?
a. carboxylic acid -> aldehyde
b. R-SH + R-SH -> R-S-S-R
c. alcohol -> ketone
d. glutamate -> a-ketoglutarate
e. none of the above - correct answer none of the above
In any redox reaction, an electron donor is - correct answer the reducing agent
In an redox reaction, an electron acceptor is - correct answer 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 answer 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 answer both A and B are correct
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 answer H2
Which of the following reacts with the acetyl-CoA to form citrate? - correct answer
oxaloacetate
The redox reaction in which succinate is converted to fumarate uses FAD rather than
NAD+ because? - correct answer 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 answer A, B, and C are all correct
, Which of the following requires GDP? - correct answer succinyl-CoA to succinate
How many oxidation steps are there in the CAC? - correct answer 4
Which of the following is a cofactor for the conversion of succinate to fumarate? -
correct answer FAD
Which of the following reactions involves a substrate level phosphorylation? - correct
answer succinyl-CoA to succinate
The carbon skeletons of which of the following can be incorporated directly into the
protein?
a. malate
b. succinate