H2S inhibits which complex of the electron transport chain?
AComplex I
BComplex II
CComplex III
DComplex IV
How does cyanide inhibit the electron transport chain?
AInhibits complex IV
BInhibits complex III (cytochrome bc1 complex)
CDirectly inhibits ATP synthase
DInhibits complex I (NADH dehydrogenase)
Increased H+ ions in the intermembrane space of mitochondria are due to?
ADecreased ATP synthase activity
BReduced proton pumping
CImpaired inner mitochondrial membrane integrity
DIncreased electron transport chain activity
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