The incorporation of 3H-thymidine by developing root tip cells.
D002454:Cell Differentiation; D002467:Cell Nucleus / Q000737:chemistry*; D018519:Meristem; D009705:Nucleosides / Q000737:chemistry*; D009711:Nucleotides / Q000737:chemistry*; D013936:Thymidine
D009705:Nucleosides; D009711:Nucleotides; D013936:Thymidine
CELL NUCLEUS/chemistry; NUCLEOSIDES AND NUCLEOTIDES/chemistry