生物专业英语-课文翻译.doc

教学内容：

Cytoplasm: The Dynamic, Mobile Factory

细胞质：动力工厂

Most of the properties we associate with life are properties of the cytoplasm. Much of the

mass of a cell consists of this semifluid substance, which is bounded on the outside by the

plasma membrane. Organelles are suspended within it, supported by the filamentous network

of the cytoskeleton. Dissolved in the cytoplasmic fluid are nutrients, ions, soluble proteins,

and other materials needed for cell functioning.

生命的大部分特征表现在细胞质的特征上。细胞质大部分由半流体物质组成，并由细胞膜

（原生质膜）包被。细胞器悬浮在其中，并由丝状的细胞骨架支撑。细胞质中溶解了大量

的营养物质，离子，可溶蛋白以及维持细胞生理需求的其它物质。

The Nucleus: Information Central（细胞核：信息中心）

The eukaryotic cell nucleus is the largest organelle and houses the genetic material (DNA) on