salivary glands from late fourth instar female larvae of sciara coprophila ( cortisone-supplemented and normal diet ) were incubated in 3h-uridine ( 10 muci/ml ) , 3h-thymidine ( 10 muci/ml ) , 3h-methyl-methionine ( 20 muci/ml ) , 35s-methionine ( 10 muci/ml ) and 32p-orthophosphate ( 1 mc/ml ) , for varying time periods , to measure rna synthesis , dna synthesis , methylation , protein synthesis and phosphorylation , respectively .
C0042889
methyl-methionine
C0025646
methionine