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Question

How does chemoautotrophic bacteria make its own food even though it does not have chlorophyll?

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Solution

Chemoautotrophs are organisms that obtain energy by the oxidation of electron donors in their environment. The chemotroph designation is in contrast to phototrophs, which utilize solar energy. Chemotrophs can be either autotrophic or heterotrophic.
Chemoautotrophs (or chemotrophic autotroph) (Gr: Chemo = chemical, auto = self, troph = nourishment), in addition to deriving energy from chemical reactions, synthesize all necessary organic compounds from carbon dioxide.


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