As one of the cytoskeletons, microfilament is important in many cell functions.

微丝骨架作为细胞骨架的一种，它在细胞的许多功能活动中起重要作用。

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Growth factors exist in various kinds of ocular histocytes and participate in regulation of cell functions.

生长因子存在于多种眼组织细胞中，参与多种细胞功能的调节。

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However, proteins outside cells form the extracellular matrix (ECM), which is essential for cell functions.

然而，细胞外的蛋白质形成了细胞外基质，它们是细胞功能所必需的。

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These proteins have functions that are essential for life of the cell, they transport molecules back and forth across the membrane.

这些蛋白所起的功能,对于细胞生存至关重要,它们负责转运分子通过细胞膜进出细胞

耶鲁公开课 - 生物医学工程探索课程节选

Only certain genes are being expressed and it's the family of genes that are being expressed in a cell, likewise the family that are not being expressed, that determines what a cell is like, how it functions.

只有某些特定的基因在细胞中表达,那些在细胞中表达的基因,与那些没有表达的基因,共同决定了细胞的形态和功能

耶鲁公开课 - 生物医学工程探索课程节选

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