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| Description: The primary cell wall is relatively thin and flexible. The secondary cell wall, which is produced only by certain plant cells, is made after the primary cell wall and is synthesized in successive layers.
Picture Stats: Views: 4352 Filesize: 59.19kB Height: 252 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=284 Keywords: Structure of the plant ECM |