Imagine that you discover a microbial deep-sea organism that can derive energy from (inorganic) hydrogen gas (H2). However, this microbe can also synthesize organic compounds from carbon-containing inorganic molecules in the ocean. This microbe is a:

a. phototroph.
b. photoautotroph.
c. photoheterotroph.
d. chemoheterotroph.
e. chemoautotroph.


Ans: e. chemoautotroph.

Biology & Microbiology

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What will be an ideal response?

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