1.

How many copper centres are present in Complex IV?(a) One(b) Two(c) Three(d) FourThis question was addressed to me during an online interview.Query is from Aerobic Respiration topic in portion Respiration in Plants of Biology – Class 11

Answer»

The CORRECT choice is (B) Two

The explanation: Complex IV REFERS to cytochrome c oxidase complex containing cytochromes a and a3, and two copper centres. The ELECTRONS in ETS pass from one carrier to another VIA complex I to IV.



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