Anoxygenic photosynthetic bacteria oxidize
Answer: C
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In the passive diffusion, solute molecules cross the membrane as a result of
Answer: A
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In a viable plate count, each ___represents a ___from the sample population.
Answer: B
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The FADH2 formed during the TCA cycle enters the electron transport system at which site?
Answer: C
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Which of the following is true of passive transport?
Answer: A
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Radioisotopes are frequently used in the study of cells. Assume a culture of E. coli is grown in a culture medium containing radioactive phosphorous. At the end of 48 hours, it is expected to find the radioactive label located in
Answer: D
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Why must the lagging strand of DNA be replicated in short pieces?
Answer: C
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Phosphate deregulated mutants are
Answer: A
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An enzyme ______ the activation energy required for a chemical reaction.
Answer: C
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An organism that can synthesize all its required organic components from CO2 using energy from the sun is a:
Answer: A
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