Question

Why do bacteria form biofilms?

20 Jan 2026
Answer :
Word Count : 227
Bacteria form biofilms as a survival strategy that provides protection and enhances their ability to persist in diverse environments. A biofilm is a structured community of bacterial cells enclosed in a self-produced matrix of extracellular polymeric substances (EPS), which include polysaccharides, proteins, and nucleic acids. This matrix acts as a physical barrier, protecting the bacteria from environmental stresses such as desiccation, ultraviolet radiation, antimicrobial agents, and the host immune system. By living in a biofilm,
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