Plant Structure
What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients?

Creatine phosphate
Glycolysis
The redox reactions of electron transport
ATP

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

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