(a) How can you explain the absence of an aldehyde group in the pentaacetate of D-glucose ?
(b) Name the bases present in RNA. Which one of these is not present in DNA ?
a) The pentaacetate of glucose does not react with HCN or Schiff’s reagent indicating the absence of an aldehyde group .
b) Bases present in RNA are Adenine, Guanine, Uracil and Cytosine
Uracil is not present in DNA.