Plant Structure
Any system that is not at equilibrium

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

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

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

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Plant Structure
Which is not true about a photon?

It is a packet of light energy
It donates electron to reduce carbon dioxide to glucose
It is trapped by photosynthetic unit
The shorter the wavelength, the greater the energy of the photons

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