Plant Structure
If complex III were incorporated into an artificial lipid vesicle in order to demonstrate it's proton translocating ability in isolation, which of the following would be an appropriate electron donor?

Cytochrome c oxidase
Cytochrome c red
Ubiquinol (UQH2)
Cytochrome c peroxidase

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Plant Structure
Which of the following statements about the outer mitochondrial membrane is not true?

The outer membrane is impermeable to hydrogen ions
The outer membrane is highly permeable to substances of small molecular weight
The outer membrane is about 50% lipid and 50% protein by weight
The outer membrane contains porins

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