Which of the following vitamin is used in the electron transpo chain?
Correct Answer: Riboflavin
Description: The biologically active forms, in which riboflavin serves as the prosthetic group (as coenzyme) of a number of enzymes are the phosphorylated derivatives. Two main derivatives are: * FMN (Flavin mononucleotide): In this the phosphoric acid is attached to ribityl alcoholic group in position 5. Flavin-Ribityl-PO4 * FAD (Flavin adenine nucleotide): It may be linked to an adenine nucleotide through a pyrophosphate linkage to form FAD. Flavin-ribityl-P-P-ribose-Adenine Thus, FMN and FAD are two coenzymes of this vitamin. FMN constitutes in * Warburg's yellow enzyme * Cytochrome-C-reductaseRef: MN Chatterjea Textbook of Medical Biochemistry, 8th edition, page no: 180
Category:
Biochemistry
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