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cellular membrane
細胞膜が破れると細胞は死ぬ。
When the cell membrane ruptures, the cell dies.
細胞膜は物質の出入りを調節する。
The cell membrane regulates the flow of substances in and out.
細胞膜の構造や機能について詳しく学んだ。
I studied the structure and function of the cell membrane in detail.