Hydrogen bonding between the amino hydrogen of one amino acid and the carboxyl oxygen of another is responsible for which of the following?
A) holding the two strands of DNA together by the law of complementary base pairing
B) twisting the DNA into a helical structure
C) primary protein structure
D) secondary protein structure
E) tertiary protein structure

Question

Quizplus · Accepted Answer

Hydrogen bonding between the amino hydrogen of one amino acid and the carboxyl oxygen of another amino acid is a key factor in forming the secondary structure of proteins, such as alpha-helices and beta-pleated sheets.

Hydrogen Bonding Between the Amino Hydrogen of One Amino Acid