Write the characteristic properties of antibiotics.

Explanation

Characristic properties of antibiotics:
1) Antibiotic drugs must be the produce of metabolism.
ii) Antibiotic drugs are effective in low concentration.
iii)Antibiotic drug retards the growth (or) survival of microorganism.
iv)Antibiotic should be a synthetic substance produced as a structural analogue of naturally occuring antibiotic.
v) Antibiotics have either cidal (Killing) effect (or) a static (inhibiting) effect on microbes Erythromycin,Tetracycline are Bacteriostatic.