The presence of new peptides containing D-ribulose and phosphoric acid in germ cells.
D000596:Amino Acids / Q000032:analysis; D000818:Animals; D002642:Chick Embryo; D005854:Germ Cells / Q000032:analysis*; D010429:Pentoses / Q000032:analysis*; D010455:Peptides / Q000032:analysis*; D010710:Phosphates / Q000032:analysis*; D010748:Phosphopeptides / Q000032:analysis; D014020:Tissue Extracts; D014238:Trichloroacetic Acid
D000596:Amino Acids; D010429:Pentoses; D010455:Peptides; D010710:Phosphates; D010748:Phosphopeptides; D014020:Tissue Extracts; D014238:Trichloroacetic Acid