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A lysosome is an organelle that digests biological substances. The additional cell parts are digested using the lysosomal enzymes. The major mechanism of lysosomes is to destroy the bacteria and viruses that invade the cell.

The biological catalyst present in the biological system that mediates the chemical reaction in the body is known as enzymes. The substrate gets converted into a product by binding to the enzyme at the active site.

The enzyme reaction is when the enzyme mediates the response to convert the reactant into products. The reaction rate of the enzyme is maximum at the optimal pH.

The lysosomal enzyme also has the maximum activity at the optimal pH. The pH of the enzyme matches the pH of the environment. The enzyme shows the maximum activity around pH 4.5.