What are the pitch length of alpha-helix and the number of residues p – McqOptions

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1.	What are the pitch length of alpha-helix and the number of residues per turn?
A.	5.3 Armstrong, 6.4 residues
B.	3.4 Armstrong, 5.6 residues
C.	3.6 Armstrong, 5.4 residues
D.	5.4 Armstrong, 3.6 residues
Answer» E.

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