title: Isozymes of a tunicate and a cephalochordate as a test of polyploidisation in chordate evolution.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002816:Chordata, Nonvertebrate / Q000201:enzymology*; D002938:Ciona intestinalis / Q000201:enzymology*; D005796:Genes; D007527:Isoenzymes / Q000378:metabolism*; D011123:Polyploidy; D013045:Species Specificity; D014561:Urochordata / Q000201:enzymology*
chemical_list: D007527:Isoenzymes