A) anaerobic respiration
B) aerobic respiration
C) both [a] and [b]
D) none of the above
Correct Answer: B
Solution :
Cyanide is a deadly poison of respiration and inhibit the activity of cytochrome-c oxidase complex (which contains cytochrome-a and cytochrome-\[{{a}_{3}}\]) of electron transport chain of aerobic respiration. Thus no proton gradient will be established and no ATP will be formed. Along with as tlie reduction of NADH and \[FAD{{H}_{2}}\] is also ceased due to blockage of ETS, the availability of hydrogen acceptors like \[NA{{D}^{+}}\] and FAD is ceased for Krebs cycle and glycolysis. Cyanide resistance pathway is aerobic respiration.
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