Science: v.1-v.219

acid action activity addition American amount animals antigens appears application associated average blood cause cells changes Chem chemical complete concentration containing culture Department determined effect electron elements energy enzyme example experiments field formation function give given heat human illus increase indicate Institute laboratory less logical lower major material mean measured mechanism membrane ment method minutes nature normal Notes observed obtained occur oceanic organisms percent physics plants position possible preparation present Press problem produced protein range rats reactions recent References relative reported response sample Science similar single solution specific structure suggested surface Table temperature tion units University weight York