Strands of DNA's chemical cousin RNA served as molecular messengers, carrying orders to the cells' protein factories and translating them into action.

对DNA的化学表弟分子RNA链作为使者，携带订单到细胞的蛋白质工厂，并将其转化为行动。

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AIM: to study the apoptosis of human lung adenocarcinoma A549 cells induced by CN-2, a derivative of podophyllotoxin, and to obtain insights into its molecular mechanism of action.

目的研究鬼臼素衍生物cn - 2对人肺腺癌细胞A549的凋亡诱导作用，并对其分子机制进行初步探讨。

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Recently, great progress has been made in the research of their action mechanisms at molecular biologic and genetic levels.

近年来对其作用机制的研究已经在分子生物学、基因学上取得了较大的进展，引起关注。

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Ptacek and his colleagues foresee ways in which understanding the molecular action of PTCy could lead to new ways to control the food clock and regulate metabolism despite shifts in the timing and amount of calories ingested.

FORBES: Holiday Overindulgence Got You Down? Blame Your 'Food Clock'

Molecular biology in action was evident during the use of qPCR tests for this microbe at a site in Southern California, where remediation professionals verified that MTBE degradation was taking place.

FORBES: Guest post written by Aaron Peacock