Plant Structure
Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?

Both have their own DNA
Both have their own ribosomes
Both strongly resemble prokaryotes, especially in size
Both can live and function independently of the cell

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Plant Structure
Cellular metabolism is an example of

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

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

All mitochondrial proteins are coded for and synthesized in the mitochondria
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

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