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Which one is not included in the categor...

Which one is not included in the category of physiological barriers to prevent microbial growth?

A

Tears from eyes

B

Saliva in the mouth

C

Acid in the stomach

D

Virus-infected cells secrete interferons

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The correct Answer is:
D
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GRB PUBLICATION-BASIC CONCEPTS OF IMMUNOLOGY-TRANSPLANTATION
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