what are antibiotics.give the structure of penciline
Kindly refer to the link given below :
https://www.meritnation.com/ask-answer/question/define-an-antibiotic-describe-how-it-is-able-to-control-bac/why-do-we-fall-ill/1643997
https://www.meritnation.com/ask-answer/question/define-an-antibiotic-describe-how-it-is-able-to-control-bac/why-do-we-fall-ill/1643997