53) Microbes greatly accelerate the generation of acid mine drainage via their r

Question

53) Microbes greatly accelerate the generation of acid mine drainage via their role in acts to regenerate the primary pyrite oxidant under low pH conditions. a. Ferrous iron oxidation /02 b. Ferric iron reduction / ferric iron c. Ferrous iron oxidation/ ferric iron d. Sulfur oxidation /02 e. Sulfur oxidation/ ferric iron 54) Industrial mercury emissions in the formenter the atmosphere and are deposited in te or aquatic environment in the form of c. CH3-Hg"/Hg a. Hg2/HgS d. Hg/HgS e. Hg/Hg 55) In fermentation, ATP is produced by: a. Substrate-level phosphorylation b. Oxidative phosphorylation c. Photophosphorylation e. None of the above d. Reverse-electron flow

Explanation / Answer

53) Microbes greatly accelerate the generation of acid mine drainage via their role in SULPHUR OXIDATION which acts to regenerate FERRIC IRON, the primary pyrite oxidant under low pH conditions.

54) Industrial mercury emission in the form Hg2+ enter the atmosphere and are deposited in terrestrial or aquatic environment in the form of CH3-Hg+.

55) In fermentaion, OXIDATIVE PHOSPHORYLATION in the presence of O2, NADPH and pyruvate, produces ATP.

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