electrons from pyruvic acid enter the mitochondrial electron transport chain at
NADH-Q reductase
Coenzyme-Q
Qh2 cytochrome reductase
ctochrome oxidase
which of the following has the highest redox potential
Fe3+ cytochrome b/Fe2+
Fe3+ cytochrome a/Fe2+
Fumarate/Succinate
Ubiquinone ox/red.
CN- is poisonous as it stops respiration becoz of its
inhbition of cytochrome oxidase
Inh. of TCA
combination with RBC
Inh. of myoglobin
dinitrophenol causes which of the follwing in biological oxidation
inc. hydrolysis of ATP
inc synthesis of ATP
prevents electron transfer
lowers the body heat
which of the following vitamins is not a component of electron transport chain
nicotinamide
ubiquinone
biotin
riboflavin
oxidation and phophorylation in mitochondria is blocked by
puromycin
oligomycin
gentamycin
septran
oxidases are conjugated proteins having the prosthetic group
Mg
Mn
Cu
Fe
all of following electron carriers are components of mitochrondrial ETC except
FMN
FAD
NAD+
NADP+
enzyme responsible for ATP production is
ATP synthase
ATP syntheis enzyme
Generase
ATP phosphorylase
example of uncoupler is
2,4dinitrophenol
barbiturates
dimercaprol
Carbon monoxide