The antibiotic that inhibits protein synthesis by premature chain termination and which structurally resembles an aminoacyl t-RNA is -
Ans. is 'c' i.e., Puromycin o Puromycin is a tRNA analogue which combines with amino acid in place of tRNA and forms a complex with amino acid that prevents addition of fuher amino acids to polypeptide (i.e. causes premature chain termination).
Tetracycline
Chloramphenicol
Puromycin
Erythromycin