Define cell wall......❤✌
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A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.
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❥︎ Cᴇʟʟ ᴡᴀʟʟ
✩ Iɴ ᴘʟᴀɴᴛ ᴄᴇʟʟs, ᴛʜᴇʀᴇ ᴏᴄᴄᴜʀs ᴀ ʀɪɢɪᴅ ᴄᴇʟʟ ᴡᴀʟʟ ᴡʜɪᴄʜ ʟɪᴇs ᴏᴜᴛsɪᴅᴇ ᴛʜᴇ ᴘʟᴀsᴍᴀ ᴍᴇᴍʙʀᴀɴᴇ.
✩ Cᴇʟʟ ᴡᴀʟʟ ɪs ᴍᴀᴅᴇ ᴜᴘ ᴏғ ᴄᴇʟʟᴜʟᴏsᴇ.
✩ Cᴇʟʟ ᴡᴀʟʟ ɪs ɴᴏɴ ʟɪᴠɪɴɢ ᴀɴᴅ ɪs ɢᴇɴᴇʀᴀʟʟʏ ᴘᴇʀᴍᴇᴀʙʟᴇ.
✩ Iᴛs ᴍᴀᴊᴏʀ ғᴜɴᴄᴛɪᴏɴ ɪs ᴛᴏ ᴘʀᴏᴠɪᴅᴇ ᴘʀᴏᴛᴇᴄᴛɪᴏɴ ᴀɴᴅ sᴛʀᴇɴɢᴛʜ ᴛᴏ ᴛʜᴇ ᴄᴇʟʟ.
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