本题目来源于试卷: Form and Function B.2 Proteins，类别为 IB生物学
[单选题]
Which level(s) of protein structure woul )0ajs /sfj, 7h.y uttniztz*;d be affected by denaturation d*nexi mtw ,qblv+m46 5ue to high te,*w6x 5m4m qe tlvi+nbmperatures?
I.
Primary
II.
Secondary
III.
Tertiary
A. I only
B. II only
C. I and II only
D. II and III only
参考答案: D
本题详细解析:
Choice D is correct because denaturation changes the secondary and tertiary structure of a protein (Statement II and III); however, the peptide bonds which hold the amino acid chain together are not affected, and thus neither is the primary structure (Statement I).
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