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 peroxidase
Ubiquinol (UQH2)
Cytochrome c red

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Plant Structure
The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that

the mitochondrial matrix is hypertonic to the cellular cytoplasm
mitochondria were derived from a symbiotic bacterium
mitochondria are surrounded by a semi permeable membrane
the mitochondrial matrix is hypotonic to the cellular cytoplasm

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Plant Structure
Which of the following statements about mitochondrial proteins is true?

Some mitochondrial proteins are coded for and synthesized in the mitochondria and others
Mitochondrial proteins arise from other mitochondrial proteins
All mitochondrial proteins are coded for and synthesized in the mitochondria
All mitochondrial proteins are imported from the cytoplasm

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