NEET BIOLOGY

Detailed explanation-1: -An antibiotic is a substance produced naturally by a microorganism that selectively inhibits the growth of another microorganism. Alexander Fleming derived the first antibiotic, Penicillin, in 1928 from a fungi called Penicillium. In recent times, antibiotics have been produced in laboratories.

Detailed explanation-2: -An antimicrobial agent is defined as a natural or synthetic substance that kills or inhibits the growth of microorganisms such as bacteria, fungi and algae.

Detailed explanation-3: -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-4: -Antibiotic is a chemical substance that produced by the natural metabolic processes of spore forming aerobic bacteria and fungi as their natural defense against other microorganisms. This chemical substance either kill the other microbes or inhibit their growth. Was this answer helpful?

Detailed explanation-5: -Some, such as penicillin, kill bacteria by destroying the bacterial cell wall. Others, such as tetracycline, interfere with the ability of bacteria cells to reproduce or make proteins or nutrients they need to survive.