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Assertion: Cytochrome oxidase enzyme con...

Assertion: Cytochrome oxidase enzyme contian copper.
Cyanide combines with copper of cytochrome oxidase and prevents oxygen combining with it

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true, but R is not the correct explanation of A

C

A is true, but R is false

D

A and R are false

Text Solution

Verified by Experts

The correct Answer is:
B
The final stage of respiratory chain involves cytochrome oxidase, which contains copper. This stage can be specifically inhibited by cyanide or carbon monoxide. Cyanide combines with the copper and prevents oxygen from combining with it.
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