Question

A few bacteria are capable of growing on gases as the sole source of energy, carbon, and nitrogen. Which of the following combination of gases would support the growth of a bacterium in mineral media with NO other additions?
A) H2, N2, CO2
B) H2, O2, N2, CO2
C) H2, H2S, N2, CO2
D) H2, O2, N2O, CO2

Answer

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