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They prevent the ligand from reaching its natural receptor, and so that antagonizes or inhibits the function of the natural ligand.
它们能够阻止配体与受体的结合,这样就拮抗或者说是抑制了配体的功能
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How many tires does your car have?
你的车配了多少个轮胎？
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If it was sound that was being received that might be beating of a drum, for example, that sound gets transduced.
如果将配体看作是,有待接受的敲鼓声,声音信号得到了转换
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In the presence of this ligand, this molecule, it's open, it allows transport of this ion, when the ligand is gone it doesn't.
配体存在的情况下通道才打开,允许这些离子穿过,配体离开后,这些离子就不能通过了
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An agonist is a substance that mimics the action of a natural ligand, and I show you a couple of examples of agonists here.
激动剂是能够模拟天然配体分子的物质,在这里我给出了一些激动剂作为例子
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So, they bind to the receptor - they occupy the receptor so now the natural ligand can't enter it but they don't create the same sequence of biochemical events.
因此,它们与受体结合,它们占据了受体,这样配体就进不来了,但这种结合无法诱发,真正的配体所能诱发的生化反应
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It refers to usually 'receptors' that are fixed in a cell, on a cell membrane, and 'ligands' which are dispersed throughout the body and free to diffuse around, and occasionally will find the cell.
受体这个词通常代表了,固定于细胞表面的分子,而配体分散于体内各处,能够自由扩散,它们偶尔会与细胞邂逅
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That infection occurs because of a ligand receptor interaction on the cell surface where the virus itself is the ligand and it takes advantage of a receptor that's expressed on the cell surface.
感染的发生是由于,配体与细胞表面受体相互作用,病毒是配体,它利用了在,细胞表面表达的受体
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