起重要作用

We chose a-amylase which is important in digestion of amylum and saccharide as well as pepsin and trypsin that play key role in digestion of proteins.

我们选择了在消化淀粉和糖类物质中起重要作用的α-淀粉酶以及在蛋白质消化过程中起主要作用的胃蛋白酶和胰蛋白酶。

They are involved in endometrial changes during the menstrual cycle and during the implantation of the blastocyst.

结论Int-β3和CathD的协同作用可能在人脑胶质瘤细胞侵袭性生长及恶性发展中起重要作用。

The molecular aggregation with various functions in the body is formed through hydrogen bond, electrostatic force, Van der waals force and hydrophobic force between biomacromolecules and small molecules, and between the biomacromolecules.

在生命体系中，核酸、蛋白质和糖类是生物体的三大基本要素，生物大分子间以及生物大分子与在生命过程中起重要作用的有机小分子通过氢键、电荷相互作用、范德华力以及疏水作用等分子间作用力组成各种功能特殊的分子集合体。

It has been documented that NADPH oxidase is involved in plant defense reactions to pathogen or elicitor attack and in plant response to abiotic stresses.

活性氧能够对植物产生毒害作用，但它们作为第二信使在植物信号转导中起重要作用。

Ventricular fibrillation is induced by alternating current delivered to right ventricular endocardium, which is the primary technique of establishment of animal model of CA in rat and in mouse currently.

本研究的目的之二是观察经食道心脏起搏在窒息性CA大鼠CPR中的疗效，探讨其作用机制和影响因素。药物在CPR中起重要作用。

Some investigations suggested that cyclins and CDK played an important role in the regulation of endomitosis of megakaryocyte. However, the mechanism of cyclins and CDK in the regulation of endomitosis of fetal megakaryocytes during ontogenesis and the relationship between cyclins/CDK and retardation of endomitosis of fetal mgakaryocyte is totally unknown.

一些研究发现周期蛋白和CDK在巨核细胞核内有丝分裂的调控上起重要作用，然而，周期蛋白和 CDK在胎儿巨核细胞核内有丝分裂调控上所起的作用，及其与胎儿巨核细胞核内复制延迟的关系目前全然不知。

Leptin activates several singal transduction pathways, can regulate ingestion and energy consumption, and enhance cell growth and hemopoiesis .It also can promote cell proliferation and differentiation, and enhance angiogenesis and regulate immunization.

瘦素通过与其受体的结合，活化细胞内多条信号转导通路，在调控摄食和能量消耗，促进细胞生长、造血等方面起重要作用，同时在促进细胞增殖分化、增加细胞侵袭性、促进血管形成和调节机体免疫等方面起作用。

They act as electron-transport agents and play an important role in the electron-transport chains of respiration, photosynthesis, and the microsomal system responsible for the desaturation of fatty acids in heterotroph ic bacteria.

它们作为电子传递物在呼吸电子迁移链、光合作用及微粒体系统中起重要作用，它还负责异养细菌中脂肪酸的去饱和作用。你知道它的英文吗？

Ionic interaction, the shape and size of the caves play important roles.

离子作用、分子形状和大小在聚合物的分子识别中起重要作用。

Imprinted genes, with their key roles in controlling feto-placental nutrient supply and demand and their epigenetic lability in response to nutrients, may play an important role in adaptation/eolution.

有印记的基因、这种基因在控制胎儿胎盘营养供给和需求中的重要作用及其对营养响应的表遗传易变性，在适应环境和进化过程中可能起重要作用。

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％。