Plant Structure
Which of the following is not an electron carrier class in the electron transport chain?

Cytochromes
Cytochrome c oxidase
Iron - sulfur proteins
Flavoproteins

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Plant Structure
Cellular metabolism is an example of

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

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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
the mitochondrial matrix is hypotonic to the cellular cytoplasm
the mitochondrial matrix is hypertonic to the cellular cytoplasm
mitochondria were derived from a symbiotic bacterium

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