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

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1.	The peptide C=O bond of the n^th 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)<sup>th</sup>
B.	(n+2)<sup>th</sup>
C.	(n+3)<sup>th</sup>
D.	(n+4)<sup>th</sup>
Answer» E.

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