What Metabolic Advantage Do Cells Have in Storing the Elemental

question 13

Multiple Choice

What metabolic advantage do cells have in storing the elemental sulfur byproduct from sulfide oxidation?

• A) The cells avoid producing transport energy waste to secrete the sulfur.
• B) The byproduct serves as an electron reserve for subsequent oxidation.
• C) Sulfur decreases the intracellular acidification for non-acid-tolerant sulfide oxidizers.
• D) The byproduct can be used for other biosynthetic pathways that use sulfur, such as Rieske Fe-S proteins.

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