What is the effect of inhibitors and uncouplers on cellular respiration? I - Inhibitors decrease oxygen consumption and ATP production. II - Uncou...
What is the effect of inhibitors and uncouplers on cellular respiration?
I - Inhibitors decrease oxygen consumption and ATP production.
II - Uncouplers increase oxygen consumption and ATP production.
III - Inhibitors block the transfer of electrons in the electron transport chain.
IV - Uncouplers dissipate the proton gradient across the mitochondrial inner membrane.
a) Only I and III are correct.
b) Only II and IV are correct.
c) Only III and IV are correct.
d) I, II, and III are correct.
e) I, III, and IV are correct.
I - Inhibitors decrease oxygen consumption and ATP production.
II - Uncouplers increase oxygen consumption and ATP production.
III - Inhibitors block the transfer of electrons in the electron transport chain.
IV - Uncouplers dissipate the proton gradient across the mitochondrial inner membrane.
a) Only I and III are correct.
b) Only II and IV are correct.
c) Only III and IV are correct.
d) I, II, and III are correct.
e) I, III, and IV are correct.
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Ed 
A alternativa correta é a letra E) I, III e IV estão corretas. Os inibidores diminuem a produção de ATP e o consumo de oxigênio, pois bloqueiam a transferência de elétrons na cadeia de transporte de elétrons. Já os uncouplers aumentam o consumo de oxigênio e a produção de ATP, pois dissipam o gradiente de prótons através da membrana interna mitocondrial.
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