Sia
Question
Biology
Posted 9 months ago
How many hydrogen bonds would be found in a 35 amino acid alpha helix?
A. 20
B. 25
C. 31
D. 35
E. 39
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Answer from Sia
Posted 9 months ago
C
Key Concept
Hydrogen bonding in alpha helices
Explanation
In an alpha helix, hydrogen bonds form between the carbonyl oxygen of one amino acid and the amide hydrogen of another amino acid that is four residues earlier in the sequence. For a 35 amino acid alpha helix, there would be 35 - 4 = 31 hydrogen bonds.
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