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Biochemistry Respiratory chain a17439ef

Which of the following inhibit complex IV?

A
Amylobarbital
B
Aconitase
C
Secobarbitone
D
Cyanide
High-Yield Explanation
Site-III (Complex IV) * Cyanide Blocks electron transfer from cyt b to c1 Inhibits terminal * H2S * Azide transfer of electrons to molecular O2 * Co (Carbon monoxide): Inhibits Cyt. oxidase by combining with O2 binding site. It can be reversed by illumination with light.Ref: MN Chatterjea Textbook of Medical Biochemistry, 8th edition, page no: 143

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