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My LMS Subjects Practice test (Foundation of Human physiology)) 模拟测试（人体生理学基础））

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Indicate which membrane component (lipid bilayer, proteins, carbohydrates) is responsible for the functions of the cell membrane.指出哪种膜成分（脂质双层、蛋白质、碳水化合物）负责细胞膜的功能。 1: Receptor sites 受体位点 2: Channel formation 通道形成 3: Barrier to passage of water-soluble substances阻碍水溶性物质通过 4: Membrane-bound enzymes 膜结合酶 5: Structural boundary 结构边界 6: Recognition of "self" 对“自我”的认可

Options

A.lipid bilayer

B.carbohydrates

C.proteins

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We start by identifying which membrane components are responsible for the listed functions, using standard cell membrane biology concepts. 1) Receptor sites: The binding of signals to receptors is a function typically carried out by membrane proteins, which provide specific binding sites for ligands. Therefore, proteins are responsible here. 2) Channel formation: Creating passageways for ions and molecules across the membrane is a hallmark of membrane proteins that ......Login to view full explanation

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