Cyanide resistant pathway is _____. Options: A . &nbspAnaerobic respiration B . &nbspAerobic respiration C . &nbspBoth (a) and (b) D . &nbspKrebs cycle

Answer: Option A : A Cyanide is a deadly poison of respiration and inhibit the activity of cytochrome –coxidase complex (which contains cytochromeaand cytochromea 3 ) of the electron transport chain inaerobic respiration. Thus, no proton gradient will be established and no ATP will be formed. As the reoxidationof NADH and FADH 2 ceases, due to the blockageof the ETC, the availability of hydrogen acceptors like NAD + and FADfor Kreb’s cycle and glycolysis pathways also ceases. Thus stopping respiration. In anaerobic respiration the electron acceptors NAD+ and FADH2 can be regenerated anaerobically and therefore anaerobic respiration is a cyanide resistant pathway.

Cyanide resistant pathway is ____

Question

Cyanide resistant pathway is _____.

Options:

A . Anaerobic respiration

B . Aerobic respiration

C . Both (a) and (b)

D . Krebs cycle

Answer: Option A
:
A
Cyanide is a deadly poison of respiration and inhibit the activity of cytochrome –coxidase complex (which contains cytochromeaand cytochromea₃) of the electron transport chain inaerobic respiration. Thus, no proton gradient will be established and no ATP will be formed. As the reoxidationof NADH and FADH₂ceases, due to the blockageof the ETC, the availability of hydrogen acceptors like NAD⁺and FADfor Kreb’s cycle and glycolysis pathways also ceases. Thus stopping respiration. In anaerobic respiration the electron acceptors NAD+ and FADH2 can be regenerated anaerobically and therefore anaerobic respiration is a cyanide resistant pathway.

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