In the name of ALLAH, the most beneficient, the most merciful

Bioinformatics I (BIF401)

Question (select most suitable option)

  In the alpha helix the hydrogen bond:
are roughly parallel to the axis of the helix.
are roughly perpendicular to the axis of the helix
occur mainly between electronegative atoms of the R groups.
occur only between some of the amino acids of the helix.