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Neuroscience MCQ
71
What is the role of cytochrome c reductase in the ETC?
A:
To transfer electrons from NADH to CoQ
B:
To transfer electrons from CoQ to cytochrome c
C:
To transfer electrons from cytochrome c to oxygen
D:
To generate ATP
72
Which of the following is an uncoupler of oxidative phosphorylation?
A:
Dinitrocresol
B:
Oligomycin
C:
Rotenone
D:
Cyanide
73
What is the function of the F0 component in the mitochondria?
A:
To generate ATP in the mitochondria
B:
To transport NADH from the cytoplasm to the mitochondria
C:
To form a proton channel in the inner mitochondrial membrane
D:
To synthesize glucose in the liver
74
Which of the following is a heme-containing protein in the ETC?
A:
Cytochrome c (Cyt c)
B:
Coenzyme Q (CoQ)
C:
Flavin mononucleotide (FMN)
D:
NADH
75
What is the function of the glycerol 3-phosphate shuttle?
A:
To generate ATP in the mitochondria
B:
To transport NADH from the cytoplasm to the mitochondria
C:
To transport FADH2 from the mitochondria to the cytoplasm
D:
To synthesize glucose in the liver
76
Which of the following is an inhibitor of Complex I in the ETC?
A:
Rotenone
B:
Malonate
C:
Antimycin
D:
Cyanide
77
What is the function of thermogenin?
A:
To generate ATP in the mitochondria
B:
To transport NADH from the cytoplasm to the mitochondria
C:
To uncouple oxidation from phosphorylation in the mitochondria
D:
To synthesize glucose in the liver
78
Which complex in the ETC is also known as NADH-CoQ reductase?
A:
Complex I
B:
Complex II
C:
Complex III
D:
Complex IV
79
What is the final recipient of electrons in the ETC?
A:
Oxygen (O2)
B:
Water (H2O)
C:
ATP
D:
NADH
80
Which of the following is a mobile electron carrier in the ETC?
A:
Coenzyme Q (CoQ)
B:
Cytochrome c (Cyt c)
C:
Flavin mononucleotide (FMN)
D:
All of the above
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