The substances produced by micro-organisms which in low concentration are antagonistic to the growth of other micro-organisms are called
(A) Vaccines
(B) Antibiotics
(C) Interferons
(D) None of these.
The substances produced by micro-organisms which in low concentration are antagonistic to the growth of other micro-organisms are called
(A) Vaccines
(B) Antibiotics
(C) Interferons
(D) None of these.