Home Biology Respiration in Plants Skill Builder Arrange the following complexes and molecule…
Biology Respiration in Plants Skill Builder Single Correct MCQ
Published on: August 13, 2026

Arrange the following complexes and molecules involved in the electron transport chain in the correct sequence of electron transfer:

A
Cytochrome c oxidase
,
B
NADH dehydrogenase
, , , ,
C
Cytochrome b
, , , ,
D
Cytochrome c Choose the correct sequence from the options given below: , , ,

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NADH dehydrogenase : This is the first complex in the electron transport chain, where NADH donates electrons. Cytochrome : Electrons are transferred here after NADH dehydrogenase. Cytochrome c : Acts as a mobile electron carrier, transferring electrons from cytochrome to the next complex. Cytochrome c.oxidase : This is the final complex in the chain that receives electrons from cytochrome c before they are transferred to oxygen.

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