Plant Structure
Cellular metabolism is an example of

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

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

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

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Plant Structure
The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that

mitochondria are surrounded by a semi permeable membrane
mitochondria were derived from a symbiotic bacterium
the mitochondrial matrix is hypertonic to the cellular cytoplasm
the mitochondrial matrix is hypotonic to the cellular cytoplasm

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