"All genes are encoded by DNA and the DNA is present in the chromosomes in the cell nucleus and telomeres, they are the ends of the chromosomes and they have an important function to protect the chromosomes and maintain the integrity of the chromosomes."

VOA: special.2009.10.07

Like many cells in neurons, the shape of the cell is intimately related to its function within the organism.

同许多种神经细胞一样,这个细胞的形状和,它们在生物体中执行的功能紧密相关

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It's able to do that because there are cells like this particular cell that have shapes that are suited to their function.

之所以这样是因为它的细胞像这个,染色细胞一样具有与功能相适应的外形

耶鲁公开课 - 生物医学工程探索课程节选

They're small molecules that - whose principal function in the body is to carry signals from one cell in the nervous system to another.

它们都是小分子,在体内主要功能是在,神经系统内将信号,从一个细胞传导到另一个细胞

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This property of cells in culture is called anchorage dependence - that the cell needs to be anchored to a surface in order to function properly.

体外培养细胞的这种特性,称为贴壁依赖性--,意思是细胞必须固定在,某个表面上才能正常生长

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In terms of function they're very important because this stem cell which is produced goes back into the population of stem cells and is able to repeat this process to form new committed progenitor cells and to form new stem cells.

但就功能而言这些干细胞则至关重要,因为这类分裂产生的子细胞,依然是干细胞,可以再次重复上述步骤,生成新的定向祖细胞,和新的干细胞

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Erythropoietin, commonly called Epo and its function is to treat anemia because it stimulates blood cell production.

促红细胞素生成素,通常简称为EPO,它的作用是刺激红细胞生成,从而能够治疗贫血

耶鲁公开课 - 生物医学工程探索课程节选