Question

Why antibiotics kill bacterial cells but not human cells?

Answer 1

⇒ Antibiotics are commonly use to block biochemical pathways which is important for bacteria.

⇒ Many Bacteria make cell wall to protect themselves.

⇒ The antibiotic penicillin blocks the bacterial processes that build the cell wall.

⇒ As a result, The growing bacteria are unable to make cell wall and die easily.

⇒ But viruses do not use this path ways therefore antibiotic do not work against viral infection.