Which of the following bacteria can grow both as chemolithotrophs or – McqOptions

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1.	Which of the following bacteria can grow both as chemolithotrophs or as chemoorganotrophs?
A.	Nitrosomonas sp.
B.	Pseudomonas pseudoflava
C.	Rhodospirillum rubrum
D.	Chromatium okenii
Answer» C. Rhodospirillum rubrum

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