The parallel accumulation and distribution of two purine-oxidizing enzymes during frog development
<p>The patterns of two specialized and functionally related enzymes were investigated in the developing frog (Rana temporaria and Rana catesbeiana). Xanthine dehydrogenase (E.C. 1.2.1.) and uricase (E. C. 1. 7 . 3 . 2.) were found to remain apparently constant during the first ten days of...