関連ワード:  why is the cell membrane described as selectively permeable    why is the cell membrane described as semi permeable    why is the plasma membrane described as selectively permeable    why is the cell membrane referred to as selectively permeable    why is the plasma membrane known as selectively permeable    why is the plasma membrane described as semi permeable    why is the cell membrane described as semi permeable or selectively permeable    why is the cell membrane selectively permeable    why is the cell membrane selectively permeable class 9    why is the plasma membrane referred to as semi permeable or selectively permeable  
結果 : why is the cell membrane described as selectively permeable