we have measured the transcription of xenopus laevis oocyte and somatic-type 5 s rna genes in s-150 extracts prepared from ovaries of mature x. laevis females ( glikin , g. c. , ruberti , i. , and worcel , a . ( 1984 ) cell 37 , 33-41 ) .
C0040649
transcription
C0035668
rna