Normal microbiota provide protection from infection in each of the following ways EXCEPT
A) they make the chemical environment unsuitable for nonresident bacteria.
B) they produce antibacterial chemicals.
C) they produce lysozyme.
D) they change the pH of the environment.
E) they compete with pathogens for nutrients.

Question

Quizplus · Accepted Answer

Normal microbiota do not produce lysozyme; lysozyme is an enzyme found in bodily secretions like tears and saliva that breaks down bacterial cell walls.

Normal Microbiota Provide Protection from Infection in Each of the Following