bacterial populations

What Method Measures Living Bacteria?

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What Method Measures Living Bacteria? The two most widely used methods for determining bacterial numbers are the standard, or viable, plate count method and spectrophotometric (turbidimetric) analysis. Although the two methods are somewhat similar in the results they yield, there are distinct differences. Which techniques count living bacteria quizlet? viable plate counts. membrane filtration. microscopic

Do Bacteria Change PH?

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Do Bacteria Change PH? Do bacteria change pH? Yes, many bacteria change the pH of their medium. Most common is the secretion/excretion of organic acids such as lactic acid, by the well-known lactic acid bacteria, or acetic acid by the microbes responsible for vinegar fermentation. Can bacteria affect pH? Some bacteria produce acid as they