All microbial phototrophs
A) fix carbon dioxide.
B) use water as an electron donor for photosynthesis.
C) fix carbon dioxide and use water as an electron donor for photosynthesis.
D) use light energy to drive electron transport to generate energy.
Answer: D
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What will be an ideal response?
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Which of the following would be LEAST likely to use the results of scientific research in his or her daily profession?
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