Final answer:
Triclosan is a chemical disinfectant that methylates enzymes and nucleic acids to disrupt the functions of microorganisms and inhibit their growth.
Step-by-step explanation:
The chemical disinfectant that works by methylating enzymes and nucleic acids is triclosan. Triclosan is a commonly used antibacterial agent in personal care products and household items. By methylating enzymes and nucleic acids, triclosan disrupts the normal functions of the microorganisms, inhibiting their growth and causing their death.
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