Least energy producing cycle: (A) Glycolysis, (B) Kreb's cycle, (C) HMP shunt, (D) Fatty acid oxidation
Answer is C. Ans. is 'c' i.e.,HMP shunt HMP shunt does not produce energy.HMP shunt is paicularly impoant for two purposes :-Synthesis of ribose for nucleotide and nucleic acid formation.Formation of NADPH which plays impoant role in several other biological processes, e.g. synthesis of fatty acids, cholesterol, steroid hormones and neurotransmitters.