microbiology practice questions ungrades help!ASAP Overall fermentation involves forming ----- end products from the ----- breakdown of carbohydrates or sugars. Microbial fermentation initially involves ------ pathways, which converts glucose into 2------  molecules.  Phenol red or PR is a ------  indicator that turns---------  when PR carbohydrate broth is acidic and ------ when PR carbohydrate broth is alkaline/basic. ------ tubes are placed into PR carbohydrate broth tubes in order to trap gas in the form of a -------.

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