A strategy used by dissimilatory metal-reducing bacteria that enable their use of insoluble compounds as electron acceptors is to transfer electrons to the metal via external, intermediary compounds such as ________ found in the environment, or their own ________. These compounds are collectively known as ________.

What will be an ideal response?


humic acids, secreted metabolites, electron shuttles

Biology & Microbiology

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Which of the following enables corals to grow in shallow waters?

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Constitutive genes code for proteins that are needed for survival

__________________ Indicate whether the statement is true or false.

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