問題詳情
43.A frameshift mutation is one that causes______ . and often changes ______ofa protein.
(A) a deletion, the secondary structure
(B) all of the bases downstream to shift, activity
(C) all of the bases upstream to shift, the tertiary structure
(D) an insertion, the primary structure
(E) no change to amino acid sequence, nothing
參考答案
答案：B
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中