Plant Structure
The composition of the inner mitochondrial membrane is most like that of

the outer mitochondrial membrane
the cell's plasma membrane
the nuclear membrane
some bacterial plasma membranes

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

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

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Plant Structure
Any system that is not at equilibrium

is thermodynamically unstable, although it may be kinetically stable
requires an enzyme to reach equilibrium
is kinetically unstable, although it may be thermodynamically stable
is rushing toward equilibrium at a very rapid rate

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Plant Structure
Which of the following experimental results does not support Mitchell's chemiosmosis theory?

Addition of dinitrophenol to isolated mitochondria was shown to inhibit electron transport, but had no effect on ATP synthesis
Addition of dinitrophenol to isolated mitochondria during electron transport was shown to inhibit acidification of the medium
An artificial proton gradient across the inner mitochondrial membrane drives ATP synthesis in the absence of electron transport
Electron transport in isolated mitochondria was shown to result in acidification of the medium

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