As embryonic cells developed and divided, products of the reactions related to ATPase activity also appeared in such places as cell-enveloped thichened cell wall, nuclei, nucleoli and chromatin.

• 随着胚性细胞的发育及分裂，包裹细胞的厚壁、细胞核、核仁与染色质等处也出现ATP酶活性反应沉淀物。