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

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

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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
The rules governing oxidation and reduction apply only in vitro, and not in vivo
Electrons always go from reductants with high redox potentials to oxidants with low redox potentials

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Plant Structure
Which is not true about a photon?

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

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