Plant Structure
Cellular metabolism is an example of

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

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Plant Structure
Which of the following statements about the outer mitochondrial membrane is not true?

The outer membrane is about 50% lipid and 50% protein by weight
The outer membrane is highly permeable to substances of small molecular weight
The outer membrane is impermeable to hydrogen ions
The outer membrane contains porins

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Plant Structure
Any system that is not at equilibrium

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

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

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

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