Compare the role of CTP in phosphoglyceride synthesis with the role of UTP in glycogen synthesis
a) CTP provides energy for linking fatty acids to glycerol, while UTP provides energy for glycogen chain elongation
b) CTP activates the fatty acids for attachment to glycerol, while UTP activates glucose for addition to the growing glycogen chain
c) CTP provides the phosphate group for esterification of glycerol, while UTP provides the phosphate group for glucose phosphorylation
d) CTP is involved in the synthesis of phospholipids, while UTP is involved in the synthesis of nucleic acids
