Plant Structure
Chemical energy is supplied to eukaryotic cells by

chloroplasts and golgi complexes
mitochondria only
mitochondria and chloroplasts
mitochondria and ribosomes

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Plant Structure
Cellular metabolism is an example of

a series of reactions that defy the second law of thermodynamics
a series of reactions occurring under standard conditions
equilibrium metabolism
steady-state metabolism

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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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