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
[{'content': 'Which of the following is the most important interaction in the formation of cell membrane lipid bilayer and in lipid-protein interaction? \nSelect and explain. \nA. Hydrophobic interactions, B. Both hydrophobic and convalent interactions, C. Covalent bonds, D. Hydrogen bonds', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Interactions in the cell membrane.\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Hydrophobic (most important)–\n\nBetween lipids- Information of lipid bilayer\u200b\nTransmembrane proteins and lipids\n\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Van der walls interaction\n\nBetween lipids- Information of lipid bilayer\u200b\nTransmembrane proteins and lipids\n\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Electrostatic bonds\n\nBetween transmembrane and peripheral proteins\n\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Hydrogen bonds\n\nBetween transmembrane and peripheral proteins\n\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Covalent bond (least important)\n\nPeripheral protein with the hydrophilic end of phospholipid', 'role': 'assistant'}]