An enzyme found in tears and saliva is known to damage bacterial cell walls-UKMLA PLAB AMC USMLE Prometric MCQ

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An enzyme found in tears and saliva is known to damage bacterial cell walls

on Sunday, December 25, 2011

Question Number 1138
Question:
An enzyme found in tears and saliva is known to damage bacterial cell walls. It does this by

a) dissolving the cytoplasmic membrane
b) breaking the covalent links between teichoic acid and muramic acid
c) hydrolyzing the link between N-acetyl glucosamine and N-acetyl muramic acid
d) inhibiting cell wall protein synthesis
e) converting D-alanine to L-alanine