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Part A
What is the role of normal microbiota in preventing disease?
Normal microbiota consume essential vitamins such as biotin, pantothenic acid, and vitamin K, so
pathogenic microbes cannot grow.
O Normal microbiota cause continuous inflammation that destroys pathogens.
O Normal microbiota compete with pathogens for resources, limiting their growth.
Normal microbiota bind to pathogenic organisms, preventing them from attaching to host cells.
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