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Form and Function B.2 Proteins (id: 04e729a9c)

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admin 发表于 2024-2-7 10:42:36 | 显示全部楼层 |阅读模式
本题目来源于试卷: Form and Function B.2 Proteins,类别为 IB生物学

[单选题]
The secondary structure of awtntl gxrw-rc 137y 14 kzl m8:-ho44fqw s ;dlprotein is a result of which of the following:
I.
Hydrogen bonding
II.
Covalent bonding
III.
Ionic bonding

A. I only
B. I and II only
C. I and III only
D. I, II and II


参考答案:  A


本题详细解析:
Choice A is correct, as the secondaryzmtck: aa q2-1 structure of a protein is the result of hydrogen bonding between the amide hydrogens and the carbonyl oxygens of the peptide backbone. Choices B, C and D are incorrect, as covalct2-q mzaa1: kent bonding and ionic bonding do not influence the secondary structure of proteins.

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