Question

What is difference between glucose and fructose?

Answer 1

Answer. Both of these sugars are monosaccharide hexoses. Glucose is a pentahydroxy aldehyde while fructose is pentahydroxy ketone having the open chain structures.

    CHO                                    CH2OH

  H-C-OH         C=O

HO-C H                                 HO-C-H   

  H-C-OH                                 H-C-OH

  H-C-OH                                 H-C-OH

    CH2OH                                  CH2OH

   Glucose                                   Fructose