This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carbohydrates, Subject name: Biochemistry
Which pathway can use propionic acid: 
Select and explain. 
A. Glycolysis, B. Gluconeogenesis, C. Glycogenolysis, D. Glycogenesis
B: Gluconeogenesis
Answer: B: Gluconeogenesis 
Explanation: Ans. B. GluconeogenesisOdd chain fatty acids can act as substrates for gluconeogenesis, since Propionyl CoA-the product of their oxidation can enter TCA cycle through formation of Succinyl CoA, hence can contribute towards Glucose production.