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Mark the INCORRECT statement about Coenzyme Q?

(a) It shows ubiquitous in nature

(b) It is also known as ubiquinone

(c) Q refers to the quinone chemical group

(d) It has a protein bound prosthetic group

I got this question in an online interview.

My query is from Respiration in division Bioenergetics and Metabolism of Life Sciences

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Right choice is (d) It has a protein bound prosthetic group

The best I can explain: It has a protein bound prosthetic group is incorrect as it is the election carrier in the electron transport chain which does not bind to the protein. It can be a carrier of hydrogen atoms that are an electron in addition to proton.

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