Which component of ETC is not a protein?
A. Cytochrome
B. Ubiquinone
C. Cytochrome oxidase
D. All of the above
Answer: Option B
Solution(By Examveda Team)
Ubiquinone is a component of ETC and is not a protein.Ubiquinone is a mobile component of the mitochondrial electron transport chain, where it acts as a pro-oxidant in its ubisemiquinone state.
Ubiquinone (Q) accepts the electrons from both complex I and complex II and delivers them to complex III. Complex III pumps protons through the membrane and passes its electrons to cytochrome c for transport to the fourth complex of proteins and enzymes.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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