Together with predation, it is the most important density-dependent factor in regulating population growth.
在调节种群增长方面，它与捕食一起是最重要的密度制约因子。
Macfarlane deduced that whatever the British were drinking must have been important in regulating disease.
麦克法兰推断，无论当时英国人喝的是什么，喝的这个东西都会对疾病的控制很重要。
Helps build bones and teeth and plays a role in regulating blood pressure.
有帮助骨骼和牙齿构建、保持血压稳定的作用。
Histones are proteins involved in regulating genes being turned on and off.
组蛋白是涉及到调控基因的蛋白质。
It plays an important role in regulating climate and is critical for many animals.
海冰在调节气候方面发挥着重要作用，并且影响着许多动物们。
(image illustration) Clouds play a crucial role in regulating Earth's climate.
(插图说明文字)云彩对地球气候的调节有关键作用。
Melatonin is a hormone that plays a role in regulating the body's sleep cycle.
褪黑激素对于调节我们睡眠循环起着至关重要的作用。
What's the essential role of the liver in regulating plasma lipid concentrations?
您能谈谈肝脏在调节血脂浓度中的重要作用吗？
Conclusions: Capsule of composite leech has more effect in regulating blood lipid.
结论：复方水蛭胶囊有较好的调节血脂作用。
One of the genes involved in regulating this clock is known as PER3 and comes in two forms.
我们认为PER3是有关调节生物钟的基因之一，且它有两种形态。
Meanwhile, orexins have also been implicated in regulating appetite and feelings of reward.
同时，食欲素也牵涉到食欲和感官情感回报的调节。
The scientists also found a link with orexin, a protein involved in regulating the sleep cycle.
科学家发现一种名为增食欲素(orexin)的蛋白质与调节睡眠周期有关。
It plays an important role in regulating the body's metabolism through the release of various hormones.
它通过释放多种激素来调节身体的新陈代谢，具有重要作用。
In last decade, scientists have come to realize the great importance of small RNAs in regulating gene activity.
在过去十年中，科学家已经认识到小rnas在调节基因活动的重要意义。
Objective To elucidate the roles and signaling mechanisms of IL-15 in regulating NK cell functions in vitro.
目的阐明IL 15在NK细胞功能调节中的作用及信号转导途径的活化。
But she says no specific gene had been discovered that appeared to be involved in regulating sleep - until now.
但是到目前为止，并没有发现某种具体可以对人的睡眠产生作用的基因。
It would be interesting to examine the role played by the state in these two demographic giants in regulating the birth rate.
研究这两个人口大国在控制人口出生率中扮演的角色将会是很有趣的一件事情。
For instance, he found an unexpected metabolic marker, called formate, that seems to have a role in regulating blood pressure.
例如，他意外地发现了一个代谢标志物并将其命名为“formate”，似乎是在控制血压方面起作用的。
We need to put these in a big picture and look at the zinc and zinc transporters as a whole in regulating pancreatic cancer growth.
我们需要将这些放入一个大的图片中，来整体观察锌离子及其转运体对胰腺癌细胞生长的影响。
Sleep has shown to be important in regulating blood sugar levels and people who don't sleep can become increasingly resistant to insulin.
已表明睡眠对于调节血糖水平中很重要，那些不睡觉的人们可能越来越抗拒胰岛素。
It is not the light intensity-but light quality or composition-that plays a decisive role in regulating nectar production in the Lima bean.
不是在强度上，而是质量或合成上有轻微的依赖——在利马豆有规律的生产花蜜中扮演一个决定性的角色。
Scientists have found that these particular chemicals are involved in regulating mood, but they are unsure of the exact ways that they work.
科学家发现这些特别的化学物质可以调整心情，但是他们不确定他们作用的具体方式。
Even if it can't be prescribed or put into a pill, he says the power of love in regulating pain is something that more people can take advantage of.
即使这种方法不能作为处方或是制成药物，他说爱情在调节疼痛中发挥的作用是大多数人可以拿来利用的。
Recent research shows that the vascular endothecium has played a vital role in regulating the cordis circulation and stabilizing the milieu interne.
近年来的研究证实，血管内皮在调节心脏循环功能和稳定内环境中起到重要作用。
Apples are also good for diabetics as the soluble fiber assists in regulating blood sugar, preventing a sudden increase or drop in serum sugar levels.
苹果的可溶性纤维能防止血糖突然升高或降低，所以苹果对糖尿病患者降低血糖也有很大的益处。
Recent studies in animal models suggest an important role for glucagon acting via the glucagon receptor in regulating hepatic triglyceride (TG) secretion.
近来在动物模型中的研究表明胰高血糖素通过胰高血糖素受体在调节肝脏甘油三酯（TG）中发挥重要作用。
Second-to-second changes in its activity might, though, be expected to be correlated with changes in the amygdalas, because of its role in regulating them.
扣带皮层部位接下来每秒钟活动的变化，也许与杏仁核的变化有关，因为扣带皮层部位控制着杏仁核。
Second-to-second changes in its activity might, though, be expected to be correlated with changes in the amygdalas, because of its role in regulating them.
扣带皮层部位接下来每秒钟活动的变化，也许与杏仁核的变化有关，因为扣带皮层部位控制着杏仁核。
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