Complex sentence: A biofilm is a matrix of extracellular polymeric substances that are synthesized by the bacteria, whose structural integrity is dependent on poly-N-acetylglucosamine (PGA), extracellular DNA, and proteinaceous adhesins.
Split into simpler sentences: A biofilm is a matrix of extracellular polymeric substances that are synthesized by the bacteria. The biofilm's structural integrity is dependent on poly-N-acetylglucosamine (PGA), extracellular DNA, and proteinaceous adhesins.