as determined by in vitro translation and blot hybridization analysis , the major thoracic muscle cytochrome c gene is primarily regulated at the transcriptional level , with cytochrome c mrna increasing from less than 0.01 % to 0.04 % of total poly ( a ) + rna and declining to an undetectable level by day 2 after eclosion .
C0040649
transcriptional
C0035668
rna