Draw the following sugar conversions, For each conversionidentify: i) the nature of the configurational or conformationalrelationship ii) the carbon where the chemical bond must be brokento convert the one sugar to the other.

a) 2'endo conformation to 2' exo conformation of a Beta-Lribofuranose

b) Beta-D-aldohexose to an alpha-D-aldohexose

c) D-aldohexose to L-aldohexose

d) D-galactose to D-glucose