Regional differences in isotopic labelling of nucleic acid and protein in early sea urchin development. An autoradiographic study.
D000818:Animals; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D009696:Nucleic Acids; D011506:Proteins; D012617:Sea Urchins
D009696:Nucleic Acids; D011506:Proteins
EMBRYO; NUCLEIC ACIDS; PROTEINS