関連ワード:  what are two functions of cell wall    what are main functions of cell wall    what are two functions of cell membrane    what are two functions of the plant cell wall    what are the two main functions of cell wall    what are two functions of the bacterial cell wall    what are the important functions of cell wall    what are main functions of cell membrane    what are the main function of cell wall in bacteria fungi and plants    what are the main function of cell wall class 11