NEET BIOLOGY

Detailed explanation-1: -Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections. They are produced in nature by soil bacteria and fungi.

Detailed explanation-2: -Bacteriocins are specific antimicrobial compounds produced by bacteria to fight other bacteria. Bacteriocins are made of small proteins called peptides that are produced inside bacteria. Some bacteriocins can stay attached to the surface of the bacteria, while others are fully released into the surrounding environment.

Detailed explanation-3: -Hydrogen peroxide is active against a wide range of microorganisms, including bacteria, yeasts, fungi, viruses, and spores 78, 654. A 0.5% accelerated hydrogen peroxide demonstrated bactericidal and virucidal activity in 1 minute and mycobactericidal and fungicidal activity in 5 minutes 656.

Detailed explanation-4: -Antibiotics are chemical substances produced by certain microorganisms that inhibit or kill other microogranisms.

Detailed explanation-5: -The Emergence of Penicillin In one of his experiments in 1928, Fleming observed colonies of the common Staphylococcus aureus bacteria that had been worn down or killed by mold growing on the same plate or petri dish. He determined that the mold made a substance that could dissolve the bacteria.