Question

Lysozyme kills by destroying

• A. cell walls
• B. lipid bilayers
• C. mitochondrial enzymes
• D. DNA replication machinery

Answer 1

The correct option is A cell walls

Lysozyme protects us from the ever-present danger of bacterial infection. It is a small enzyme that attacks the protective cell walls of bacteria. Bacteria build a tough skin of carbohydrate chains, interlocked by short peptide strands, that braces their delicate membrane against the cell's high osmotic pressure. Lysozyme breaks these carbohydrate chains, destroying the structural integrity of the cell wall. The bacteria burst under their own internal pressure.

So, the correct option is 'Cell walls'.