The main function of catabolic reactions is to provide energy, which is stored as ATP, for use in the synthesis of new structures, cell-to-cell signaling, or the movement of motile cells.

分解反应的主要功能是提供能量，这种能量储存在AT P中，可以用来合成新的结构，细胞间的信号传递，细胞的运动等。

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During diseases like cancer, cells escape normal regulatory mechanisms of cell adhesion and growth signaling to become more motile and proliferative.

在像肿瘤这样的病理条件下，细胞摆脱了细胞间粘附和生长信号等正常调控机制的约束，运动和增殖能力变得更强。

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The university's Schaap laboratory studied a simple multicellular organism, Dictyostelium, in which motile cells (those which can move spontaneously) differentiate into two immobile cell types: stalk cells and spores.

BBC: Embryonic cells