1. Which of the following is most likely to result in "immobilization"? A. Assimilation B. Ammonification C. Sulfur oxidation D. Mineralization E . Denitrification  2. What metabolic type in the carbon cycle would most likely benefit from living in the presence of a starch-digesting microbe in an anaerobic environment?   A Sugar fermenter: B. Methanogen C. Carbon fixer D. Methane oxidizer   E CO reducer   3. Which two of the following choices are the goals of pasteurization?   A Kill all spoilage microbes   B. Sterilize C. Kill all pathogens D. Reduce spollage microbes E. Reduce pathogen numbers

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