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: Physiology
True regarding transpo across a cell membrane is : 
Select and explain. 
A. Cl- with glucose sympo, B. Na+ with glucose anteprot, C. Na+ with glucose sympo, D. K+ with glucose sympo
C: Na+ with glucose sympo
Answer: C: Na+ with glucose sympo 
Explanation: C i.e. Na+ with glucose sympo In this along with Na+, another substance is carried by the carrier protein called sympo. The energy is obtained from diffusion process of Na+ due to concentration gradient across the cell membrane.