title: Regulation by ammonia of nitrate reductase synthesis and activity in Chlamydomonas reinhardi.
mesh_terms: D000641:Ammonia / Q000494:pharmacology*; D002474:Cell-Free System; D002478:Cells, Cultured; D002696:Chlamydomonas / Q000187:drug effects / Q000201:enzymology; D000460:Chlorophyta / Q000201:enzymology*; D004789:Enzyme Activation; D004794:Enzyme Repression / Q000187:drug effects; D009249:NADP; D009566:Nitrates; D010084:Oxidation-Reduction; D010088:Oxidoreductases / Q000096:biosynthesis / Q000378:metabolism*
chemical_list: D009566:Nitrates; D009249:NADP; D000641:Ammonia; D010088:Oxidoreductases