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 structzqgv ,qq0m8fv g1e 0*hure of a protein is a result of whid s b ,(7qzqe5bp16rrych 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 secondary strucf wv)e ,kl8rc9ture of a protein is the result of hydrogen bonding between the amide hydrogens and the carbonyl oxygens of the peptide backbone. Choices B,&nbwvk9ce8fr,) l sp;C and D are incorrect, as covalent bonding and ionic bonding do not influence the secondary structure of proteins.
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