Murphy Biochemistry at Rutgers Exam 2
Review (Latest Update )
Questions & Answers {Grade A} 100%
Correct
The maximum P/O ratio for FADH2 is ____________ - correct answer 1.5
The control of aerobic respiration by ______________________________ is referred to as
respiratory control - correct answer ADP
The first ROS formed during the reduction of oxygen is ______________ - correct answer
superoxide radical
The reaction of Fe2+ with H2O2 results in the production of
a. hydroxyl radical
b. hydroxide ion
,c. superoxide radical
d. Both A and B are correct
e. Both A and C are correct - correct answer d. Both A and B are correct
ROS are generated during
a. xenobiotic metabolism
b. respiratory burst
c. ionizing radiation
d. Both A and B are correct
e. A, B, and C are correct - correct answer e. A, B, and C are correct
Glutathione peroxidase
a. converts organic peroxides into alcohols
b. generates GSH from GSSG
c. reduces H2O2 to H2O
,d. Both A and B are correct
e. Both A and C are correct - correct answer e. Both A and C are correct
The NADPH required for the regeneration of GSH from GSSG is synthesized by the
reactions of - correct answer the pentose phosphate pathway
Glutathione peroxidase requires _____________ for full activity - correct answer
selenium
Examples of antioxidants include all of the following except
a. ascorbic acid
b. b-Carotene
c. a-Tocopherol
d. phenol
e. gramicidin - correct answer e. gramicidin
, One of the mechanisms by which vitamin C protects membrane is by
a. regenerating reduced a-tocopherol
b. reacting with proline
c. reacting with peroxyl radicals
d. Both A and B are correct
e. Both A and C are correct - correct answer e. Both A and C are correct
The ultimate electron acceptor of the mitochondrial electron transport system is -
correct answer O2
In complex I of the ETC, the major sources of NADH include
a. fatty acid oxidation
b. CoQ
c. NADPH
Review (Latest Update )
Questions & Answers {Grade A} 100%
Correct
The maximum P/O ratio for FADH2 is ____________ - correct answer 1.5
The control of aerobic respiration by ______________________________ is referred to as
respiratory control - correct answer ADP
The first ROS formed during the reduction of oxygen is ______________ - correct answer
superoxide radical
The reaction of Fe2+ with H2O2 results in the production of
a. hydroxyl radical
b. hydroxide ion
,c. superoxide radical
d. Both A and B are correct
e. Both A and C are correct - correct answer d. Both A and B are correct
ROS are generated during
a. xenobiotic metabolism
b. respiratory burst
c. ionizing radiation
d. Both A and B are correct
e. A, B, and C are correct - correct answer e. A, B, and C are correct
Glutathione peroxidase
a. converts organic peroxides into alcohols
b. generates GSH from GSSG
c. reduces H2O2 to H2O
,d. Both A and B are correct
e. Both A and C are correct - correct answer e. Both A and C are correct
The NADPH required for the regeneration of GSH from GSSG is synthesized by the
reactions of - correct answer the pentose phosphate pathway
Glutathione peroxidase requires _____________ for full activity - correct answer
selenium
Examples of antioxidants include all of the following except
a. ascorbic acid
b. b-Carotene
c. a-Tocopherol
d. phenol
e. gramicidin - correct answer e. gramicidin
, One of the mechanisms by which vitamin C protects membrane is by
a. regenerating reduced a-tocopherol
b. reacting with proline
c. reacting with peroxyl radicals
d. Both A and B are correct
e. Both A and C are correct - correct answer e. Both A and C are correct
The ultimate electron acceptor of the mitochondrial electron transport system is -
correct answer O2
In complex I of the ETC, the major sources of NADH include
a. fatty acid oxidation
b. CoQ
c. NADPH
