Gamma-amino butyric acid, or GABA, for example, is a chemical thatshuts down nerve cells.

如γ-氨基丁酸或伽马氨基丁酸，都是可以使神经细胞关闭化学物质。

Chemotherapy is a chemical treatment used to kill cancer cells that also suppresses – or stops – the body's immune system from working.

化疗是一种杀死癌症细胞化学疗法，也会抑制人体免疫系统。

Furanocoumarins aren't toxic cell-damaging chemicals on their own.

呋喃香豆素本身并非是有破坏细胞化学物。

It does that by interacting with a chemical receptor on the surface of the cell.

疟原虫是通过跟血细胞表面化学感受器交流来进入血细胞。

The electricity in our bodies is created by chemical reactions between cells.

我们体内电是由细胞间化学反应产生。

The cell cytoplasm is the site of the cell's chemical reactions.

细胞质是细胞进行化学反应场所。

In your body, a lot of the cleanup that comes after metabolism is handled by the liver, which plays a tremendous role in directing dead cells and leftover chemicals to the digestive and urinary systems.

在身体，新陈代谢后许多清理工作是由肝脏处理，肝脏在引导死细胞和剩余化学物质进入消化和泌尿系统方面发挥着巨大作用。

Insulin is a chemical that helps your muscles, fat, and liver cells absorb sugar, where it's stored until your body needs energy.

胰岛素是一种帮助肌肉、脂肪和肝细胞吸收糖分化学物质，糖分储存在，需要时，会为身体提供能量。

Pierce J. Howard, another expert, says new research indicates that physical exercise increases the amount of certain brain chemicals that stimulate growth of nerve cells.

另一名专家皮尔斯? J. 霍华德说，新研究表明，体育锻炼提高了大脑中某些激发神经细胞生长化学物质含量。

The matrix is implanted at the injury site, and as it slowly degrades in recipient's body it releases chemicals that attract stem cells.

这种基质是在受伤部位植入, 随着它缓慢在接受者体内降解，会释放吸引干细胞化学物质。

In chronic disease states, chemical messengers called cytokines mediate this pathologic process in the kidney, immune system, and the GI tract.

在慢性疾病中，称为细胞因子化学信使在肾脏、免疫系统和胃肠道中介导了这一病理过程。

Other dirt-dwelling bacteria fend off fungi by churning out a chemical that makes fungal cells leaky, causing an oozy death.

其他生活在泥土中细菌通过制造一种使真菌细胞渗漏化学物质来抵御真菌，导致真菌细胞渗漏而死亡。

And what they do is translate physical forces, temperature, pressure into a chemical signal that the cells will understand.

它们所做就是将物理力，温度，压力转化为细胞能够理解化学信号。

The trick then, is not only to figure out all the factors that affect the chemical reactions thatenable cells to move around, but also to figure out how to control these reactions selectively.

而关键不仅仅是找出所有因素影响细胞自由运动化学反应，还要明白如何能有选择地控制化学反应。

DNA is the chemical structure present in the centre of a cell which defines somebody's characteristics. This is to fight a particular disease.

DNA是存在于细胞中心位置化学结构，决定一个人特点。它可以决定一个人能否抵御某种疾病。

Turing's mathematics simply and elegantly model reality, but to truly prove Turing right, biologists needed to find actual morphogens: chemicals or proteins inside cells that do what Turing's model predicts.

图灵数学简单而优雅地模拟了现实，但要真正证明图灵是正确，生物学家需要找到实际形态发生体：细胞内化学物质或蛋白质，它们遵循图灵模型预测。

When something feels good, what we really mean is that certain cells in certain parts of our brain are responding to specific chemicals released by other cells in our brain.

某样东西感觉良好时，我们真正意思是大脑某些部分某些细胞正在对大脑中其他细胞释放特定化学物质做出反应。

Our microglia janitor cells become hyper-activated, releasing chemicals that cause inflammation and cellular damage.

我们小胶质细胞看门细胞变得过度活跃，释放出引起炎症和细胞损伤化学物质。

Your  cells are bags of proteins guided by chemistry.

细胞是由化学引导蛋白质袋。

It's a chemical that can't make its way through this cell membrane.

这是一种无法穿透细胞膜化学物质。