exogenous cycle nucleotides 外源性环核苷酸
Exogenous business-cycle theory [经] 外生经济周期理论
exogenous business cycle theory 外因经济周期论
The factors that influence real estate cycle fluctuation can be divided into endogenous and exogenous factors. Each of factors provided the influence by its mechanism.
影响房地产周期因素可以分为内生因素和外生因素，各类因素通过各自机制影响着房地产周期运行。
Conclusions: Transfecting the exogenous FHIT gene into gastric cancer cells can suppress the proliferation of tumor cells, and can also induce apoptosis and cell cycle arrest.
结论：向胃癌细胞中导入外源性FHIT基因可以抑制肿瘤细胞增殖，诱导细胞凋亡并引起细胞生长周期阻滞。
Highly conserved DNA-repair and cell-cycle checkpoint pathways allow cells to deal with both endogenous and exogenous sources of DNA damage.
高度保守的DNA修复和细胞周期检查点通路使得细胞能够应付各种内源性或外源性因素引起的DNA损伤。
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