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Glycolysis Payoff Phase

Cyanide cause...

Question

Cyanide causes irreversible inhibition of cytochrome oxidase. This is because it

A

Combines with iron.

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B

Destroys tertiary structure.

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C

Attaches to copper.

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D

All the above.

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Solution

The correct option is B Combines with iron.
Cyanide inhibits cytochrome oxidase by combining with Iron within the enzyme which results in the prevention of transport of electrons from cytochrome oxidase to oxygen. So, the correct answer is A.

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