Which of the following biochemical substance is derived from a living organism that has a capacity to inhibit the growth or destroy microbes?

Antibiotics are biochemical substances produced by microorganisms (like fungi and bacteria) that can inhibit or kill other microbes. Penicillin, the first antibiotic, was derived from the Penicillium fungus. Vaccines prevent disease, antigens trigger immune responses, and toxins are harmful substances produced by pathogens.