This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Transport Across Cell Membrane, Subject name: Physiology
Transport of glucose through apical membrane of enterocytes is - 
Select and explain. 
A. Simple diffusion, B. Facilitated diffusion, C. Primary active transport, D. Secondary active transport
D: Secondary active transport
Answer: D: Secondary active transport 
Explanation: Ans. is 'd' i.e., Secondary active transport o Absorption of glucose-Secondary active transport (cotransport) with Na+.o Absorption of lipids-Passive diffusion.o Absorption of fructose-Facilitated diffusion.o Absorption of amino-acids-Secondary active transport (cotransport) with Na+.