問題詳情
4. Which of the following statements for proteins is correct?
(i) The four levels of structure of a protein are determined by its primary sequence.
(ii) Secondary structure includes mainly o helix and B sheet.
(iii) Collagen has four levels of structure.
(A)i
(B)i,ii
(C)ii,iii
(D)i,iii
(E)i, ii,ii
參考答案
答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增