A cell that lacks sulfite oxidase but can still oxidize sulfur for energy could be identified by
A. adenosine phosphosulfate reductase coupled with substrate-level phosphorylation.
B. electrons being transferred to cytochrome c prior to shuttling them into the electron transport chain.
C. identifying an alternative quinone, flavoprotein, or cytochrome.
D. quantifying the release of sulfate byproduct.
Answer:A
A cell that lacks sulfite oxidase but can still oxidize sulfur for energy could be identified by
A. adenosine phosphosulfate reductase coupled with substrate-level phosphorylation. B. electrons being transferred to cytochrome c prior to shuttling them into the electron transport chain. C. identifying an alternative quinone, flavoprotein, or cytochrome. D. quantifying the release of sulfate byproduct.