<prompt> Rate limiting enzyme of purine nucleotide synthesis is :Xanthine oxidaseHGPADAPRPP glutamyl amido-transferase  <response>: Rate limiting enzyme of purine nucleotide synthesis is PRPP Glutamyl Amido-transferaseoption d Rate limiting enzyme of Purine Nucleotide Catabolism is Xanthine Oxidase Option a Hypoxanthine and Guanine Phospho Ribosyl Transferase HGP catalyzes the conversion of Guanine to GMP and Hypoxanthine to IMP in the presence of PRPP. Option b Adenosine deaminase ADA catalyzes the conversion of Adenosine to Inosine. Option c 