Answer: The drop in pH turns the indicator dye yellow.
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How is fermentation of lactose detected ? A. The acetoin produced turns the medium pink. B. The cells form a black  precipitant. C. The medium become turbid when exposed to air. D. The drop  in pH turns the indicator dye yellow.              
Sat Sep 14 2019   ·  Lactose fermentation   depending upon the microorganism involved  can produce different  products  but most common among them is  lactic acid   a viscous acid with the chemical formula CH 3 CH(OH)COOH.  Fermentation  can be used to  remove lactose  from foods  which is beneficial for those who are  lactose-intolerant ;  lactose fermentation  should not be confused with  lactic acid fermentation .
How is lactose fermentation determined ? If  lactose is fermented  to produce acid end products  the p H of the medium will drop. A p H  indicator in the medium changes color to indicate acid production.            
Tue Jul 24 2018   ·  Fermentation  has many health benefits  such as enhancing bioavailability  reducing  symptoms  of lactose  intolerance  and holding anti-inflammatory and anticancer properties.  Fermented foods house beneficial bacteria called probiotics that can be  found in eating kimchi  kefir  natto  temp...
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