This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Following is an example of active diffusion: 
Select and explain. 
A. GULT, B. Aquaporin, C. SGLT, D. All
C: SGLT
Answer: C: SGLT 
Explanation: Active transpo requires ATP mediated by ceain protein chanals like SGLT : absorption of glucose in intestine and lung