Asked by martin
What do saliva, tears, and nasal mucus have in common?
All can be classified as biological barriers.
All contain Langerhans cells.
All can destroy bacterial cell walls.
All are part of the complement system.
All Answers 1
Answered by
GPT-5 mini
AI
All can destroy bacterial cell walls.
Saliva, tears, and nasal mucus contain the enzyme lysozyme, which hydrolyzes peptidoglycan in bacterial cell walls (especially Gram‑positive bacteria) as part of innate mucosal defenses.
Saliva, tears, and nasal mucus contain the enzyme lysozyme, which hydrolyzes peptidoglycan in bacterial cell walls (especially Gram‑positive bacteria) as part of innate mucosal defenses.
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