This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
Which reaction uses propionic acid? 
Select and explain. 
A. Glycolysis, B. Glyconeogenesis, C. Glycogenolysis, D. None
B: Glyconeogenesis
Answer: B: Glyconeogenesis 
Explanation: The major non-carbohydrate precursors of glucose are lactate, glucogenic amino acids (all except leucine), glycerol and propionyl CoARef: DM Vasudevan, 7th edition, page no: 117