11 A phenol red glucose broth with a Durham tube has been inoculated and incubated. After 48 hours, the broth is turbid and bright yellow and approximately half of the contents of the Durham tube have been displaced with gas. Interpret these results.
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Phenol red is a pH indicator that turns yellow in acidic conditions and red in neutral or alkaline conditions. Show more…
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Jennifer S.
A phenol red glucose broth with a Durham tube has been inoculated and incubated. After 48 hours hours, the broth is turbid and bright yellow and approximately half of the contents of the Durham tube have been displaced with gas. Interpret these results. _ The organism will ferment lactose as well. _ The organism is fermenting glucose and producing ethanol and CO2 _ The organism is an obligate anaerobe _ The organism is fermenting glucose with gas production _ The organism is using glucose oxidatively
Madhur L.
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