The RI2IM mutant complex I has the ability to accept protons but cannot pass them to ubiquinone. Assume mitochondrial membranes are assembled containing the R121M complex I, plus wildtype complexes II, III, IV and V. If FADH2 is provided, which complexes will be reduced? Circle all that apply a. R121M Complex I b. Complex II c. Complex III d. Complex IV e. Complex V None of the complexes will be reduced f.

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Chapter7: Cellular Respiration: Harvesting Chemical Energy
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8. The R121M mutant complex I has the ability to accept protons but cannot pass them to ubiquinone.
Assume mitochondrial membranes are assembled containing the R121M complex I, plus wildtype
complexes II, III, IV and V. If FADH2 is provided, which complexes will be reduced? Circle all that
apply
а. R121MComplex I
b. Complex II
с. Complex II
d. Complex IV
e. Complex V
f. None of the complexes will be reduced
tes)
D Focus
w
83°F
DELL
F10
F11
F12
PrtSc
F4
F5
F6
F7
F8
F9
Transcribed Image Text:8. The R121M mutant complex I has the ability to accept protons but cannot pass them to ubiquinone. Assume mitochondrial membranes are assembled containing the R121M complex I, plus wildtype complexes II, III, IV and V. If FADH2 is provided, which complexes will be reduced? Circle all that apply а. R121MComplex I b. Complex II с. Complex II d. Complex IV e. Complex V f. None of the complexes will be reduced tes) D Focus w 83°F DELL F10 F11 F12 PrtSc F4 F5 F6 F7 F8 F9
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