levels of in vitro transcription with escherichia coli rna polymerase of total chromatin and of acid-extracted chromatin from holtzman rat liver tissue fluctuate in an age-specific manner during postweaned development and are higher than previously published levels determined for the fisher and f344 x h strains during the same developmental period [ tallman , g. , et al .
C0040649
transcription
C0035681
rna