Q.

Identify the incorrect statement regarding electron transport chain coupled to oxidative phosphorylation that occurs in mitochondria.

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a

It involves 5 complexes ; 2 mobile carriers

b

Complex IV has both ‘Fe’ and ‘Cu’

c

All types of reduced coenzymes (NADH+H+,FADH2) enter ETC always at complex I

d

The number of ATP molecules formed depends on electron donor.

answer is C.

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Detailed Solution

All NADH2 and FADH2 do not enter into ETS at complex I. FADH2 enters at complex II but not complex I

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Identify the incorrect statement regarding electron transport chain coupled to oxidative phosphorylation that occurs in mitochondria.