The fate of IMP is regulated by relative levels of ____ and ____; and energy to drive AMP synthesis is provided by ____, and energy for GMP synthesis by ____.
A) IMP; PRPP; ATP; GTP B) PRPP; ATP; ATP; GTP C) AMP; ATP; GTP; ATP D) AMP; GMP; GTP; ATP E) IMP; GMP; ATP; GTP