在其他方面，金属离子也可以稳定像蛋白质或核糖核酸等巨分子的结构，而使它们能够正常地作用。
In other cases, they can also stabilize the structure of macromolecules such as proteins or RNAs for normal function.
采用脱氧核糖核酸末端转移酶介导的缺口末端标记技术（TUNEL）和免疫组化方法检测鼻咽低分化鳞状细胞癌和正常鼻咽黏膜组织。
Terminal deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) technique and immunohistochemistry method were applied to detect NPC tissue and normal nasopharyngeal tissue (NNPT).
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