for his work on ribonucleaseandfor their contribution to the understanding of the connection between chemical structure and catalytic activity of the ribonuclease molecule
for their elucidation of the enzymatic mechanism underlying the synthesis of adenosine triphosphateandfor his discovery of an ion-transporting enzyme, Na+, K+ -ATPase
... athematic[?] and thematic[?]. The thematic verbs are so called because an a, called the theme vowel, is inserted between the stem and the ending. This serves to make the ...