title: Cytochemical and biochemical properties of basic proteins of Urechis acrosomes.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism; D004447:Echinodermata / Q000378:metabolism*; D006651:Histocytochemistry; D006657:Histones / Q000378:metabolism; D008297:Male; D009696:Nucleic Acids / Q000378:metabolism; D011506:Proteins / Q000378:metabolism*; D013094:Spermatozoa / Q000378:metabolism*
chemical_list: D000596:Amino Acids; D006657:Histones; D009696:Nucleic Acids; D011506:Proteins