The peptide C=O bond of the nth residue of the backbone of alpha-heli – McqOptions

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1.	The peptide C=O bond of the nth residue of the backbone of alpha-helix points along and forms a hydrogen bond with the peptide N—H group of which among the following residue?
A.	(n+1)th
B.	(n+2)th
C.	(n+3)th
D.	(n+4)th
Answer» E.

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