Nicotine hooks onto a variety of receptors, or docking sites, on the surface of cells.
尼古丁会粘附于多种感受器，或者是细胞表面的停靠点。
These modifications serve to alter chromatin structure and accessibility, and to act as docking sites for transcription factors or other histone modifying enzymes.
这些修饰为改变染色质结构和易接近性服务，并作为转录因子或其他组蛋白修饰酶的停靠位点。
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