Digestive System Overview · Physiology

Saliva contains several components essential for oral health and digestion. Which enzyme in saliva provides a protective function by lysing the cell walls of certain bacteria?

  1. Salivary amylase
  2. Lingual lipase
  3. Lysozyme
  4. Mucin
Show answer and explanation

Correct answer: Lysozyme

Lysozyme is an antibacterial enzyme that breaks down bacterial cell walls. Along with Immunoglobulin A (IgA) and thiocyanate ions, it helps control the microbial population in the oral cavity.

Difficulty: Medium Question 37 of 39

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