問題詳情
61. Which of the followings are used to determine the primary structure of proteins? ① size exclusion chromatography ② SDS polyacrylamide gel electrophoresis ③ Edman degradation ④ circular dichroism ⑤ analysis of amino acid composition
(A) ①②
(B) ②③
(C) ③④
(D) ④⑤
(E) ③⑤