题目
Bio 93 Section CDE 2025 Final Exam Practice Part 2
匹配题
Match the terms and phrases (not all options will be used): 1: A covalent bond between atoms that differ in electronegativity 2: The attraction of a given atom for the electrons 3: Having no attraction to water 4: The covalent bond between the carboxyl group on one amino acid and the amino group on another 5: A mechanism by which two molecules become covalently bonded to each other with the removal of a water molecule 6: A coiled region constituting one form of the secondary structure of proteins
选项
A.Electronegativity
B.Hydrolysis
C.Polar
D.Hydrophobic
E.Beta-pleated sheet
F.Glycosidic Linkage
G.Peptide bond
H.Alpha-helix
I.Dehydration reaction
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标准答案
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思路分析
The task presents a matching exercise with six statements and a list of possible terms. I will evaluate each numbered statement and compare it to the provided options.
1) Statement: 'A covalent bond between atoms that differ in electronegativity.' This describes a polar covalent bond, which arises when atoms have different electronegativities but still share electrons. The most fitting term from the options is 'Polar' (it characterizes the bond type), rather than 'Electronegativity' wh......Login to view full explanation登录即可查看完整答案
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