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
Cori's cycle is concerned with transport of 
Select and explain. 
A. Alanine, B. Glutamate, C. Lactate, D. Aspartate
C: Lactate
Answer: C: Lactate 
Explanation: Cori's cycle (Glucose-Lactate cycle) is concerned with transport of Lactate.