Test: MCAT Biology

1.

Cyanide is very toxic in high enough doses because it binds irreversibly to cytochrome C. Which of the following is not an effect of cyanide's inhibition of cytochrome C? 

Increase in the rate of the citric acid cycle's activity

Build up of NADH

Increase in fermentation activity

Increased pH in the mitochondrial intermembrane space

Increased ratio of ADP:ATP

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