Practice question
Question
A probiotic is a live microorganism that is claimed to confer a health benefit by altering the indigenous microflora of the intestinal tract. Which one of the following bacteria has been used widely in probiotics?
Explanation
In microbiology, microbial physiology dictates that growth regulation and host interactions follow molecular programs. Therefore Lactobacillus lactis is correct as it corresponds to prokaryotic and viral strategies, supported by mechanistic studies and conserved across related systems.
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