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
[{'content': 'Example of active transport - \nSelect and explain. \nA. Movement of water across cell membrane, B. Movement of oxygen across cell membrane, C. Cotransport of amino-acids with Na+, D. None of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans, is 'c' i.e., Cotransport of amino-acids with Na+ Transport mechanismExamplesSimple diffusionMovement of fats, oxygen, CO2 through lipid portion of membraneFacilitated diffusionMovement of glucose and some amino-acidsOsmosisMovement of water into and out of the cellPrimary active transportSecondary active transportIons K+, Na+ Ca++, H+Glucose or amino-acid into the cel] along Na+ (Symport or cotransport)Ca+2 H+ out of the cell against Na (Antiport or countertransport)", 'role': 'assistant'}]