This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Citric acid cycle is an example of: 
Select and explain. 
A. Anabolic pathway, B. Catabolic pathway, C. Amphibolic pathway, D. None of the above
C: Amphibolic pathway
Answer: C: Amphibolic pathway 
Explanation: Amphibolic pathways, which occur at the "crossroads" of metabolism, acting as links between the anabolic and catabolic pathways, eg, the citric acid cycle. Ref: Harper 28th edition, chapter 16.