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MBIO 3812 Ex 5-3 Phenol Red Broth

MBIO 3812 Ex 5-3 Phenol Red Broth - MBIO 3812 Ex 5-3 Phenol...

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11 MBIO 3812 Ex 5-3 Phenol Red Broth The Phenol Red broth test is used to determine what carbohydrate a bacterium can ferment organic molecule final electron acceptor occurs in the presence OR absence of O2 CATABOLIC PATHWAYS (not including anaerobic respiration) SUGAR enters the cell AEROBIC RESPIRATION FERMENTATION
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22 MBIO 3812 Ex 5-3 Phenol Red Broth Lactose Sucrose G ly c ol y si s Pyruvate Fermentation Aci d Ga s Alcohol In addition to glucose, disaccharides and other carbohydrates can be broken down into compounds that can enter glycolysis From glycolysis pyruvate is produced, which can be used in fermentation pathways
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33 MBIO 3812 Ex 5-3 Phenol Red Broth Lactose Sucrose G ly c ol y si s Pyruvate Fermentation Aci d Ga s Alcohol The common types of end-products generated by fermentation are: alcohols , acids and gas The specific types of alcohols and acids produced indicate the type of fermentation pathway used
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MBIO 3812 Ex 5-3 Phenol Red Broth 3 important points to remember about the fermentation pathway: 1.
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