Plant Structure
Which is not true about a photon?

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

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Plant Structure
Any system that is not at equilibrium

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

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Plant Structure
Why do some redox reactions in cells result in the transfer of electrons from a reductant with a higher standard redox potential to an oxidant with a lower standard redox potential?

None of these
Redox potentials are defined under standard conditions, and cellular conditions are typically not standard conditions
Electrons always go from reductants with high redox potentials to oxidants with low redox potentials
The rules governing oxidation and reduction apply only in vitro, and not in vivo

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