<prompt> During prolonged fasting, rate of gluconeogenesis is determined by:Essential fatty acid in liverAlanine in liverDecreased cGMPADP in liver  <response>: Ans. B. Alanine in liverRef: Harpers 29e page 160, Harper 31e page 172Major Substrates for GluconeogenesisQGlucogenic Amino Acid LactateGlycerolPropionate Major contributor in Ruminants 