If you were to make that change you would find that the molecule now has completely different biological and chemical properties.

如果要做出这样的变化,你会发现,分子的生物形状,和化学性质完全改变了。

麻省理工公开课 - 化学原理课程节选

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

耶鲁公开课 - 生物医学工程探索课程节选