起重要作用

Background and objective Peroxisome proliferato-activated receptor-gamma is a kind of nuclear hormone receptor, which plays important roles in regulating metabolisms.

背景与目的过氧化物酶体增生物激活受体是对机体代谢过程起重要调节作用的一种核激素受体。

During seed germination a-amylase gene being greatly enhanced by gibberellic acid produced by the embryo.

在动物体内只发现β－淀粉酶，在消化过程中起重要的作用。

Matrix metalloproteinases, a gene family of Zinc-containing endopeptidase, degrade extracellular matrix and play an essential role in the metastasis process.

基质金属蛋白酶是一类Zn~(2+)依赖的与细胞外基质降解有关的基质金属蛋白酶，在肿瘤的侵润和转移中起重要的作用。

The chlortetracycline biosynthetic rate got to 140 u/h-mL and was more than that ofcontrol by 50% when 0.1% glutamine was added in fermentation broth in cell growth phase.

碳在HMS途径的通量对金霉素的合成起重要的调节作用，添加芳香性氨基酸〓和高磷酸盐抑制碳在HMS的通量，金霉素最终合成量降低50%以上。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。