The rate of ribonucleic acid synthesis during the cell cycle.
D000818:Animals; D002455:Cell Division; D002466:Cell Nucleolus / Q000378:metabolism; D002467:Cell Nucleus / Q000378:metabolism*; D002875:Chromosomes / Q000378:metabolism*; D006224:Cricetinae; D046508:Culture Techniques; D004247:DNA; D012313:RNA / Q000096:biosynthesis*; D014316:Tritium; D014529:Uridine
D014316:Tritium; D012313:RNA; D004247:DNA; D014529:Uridine