Labels:daily | web site OCR: CELL M EMBR ANE HE CELI MEMBRANE is a strong thin, flexible layer that surrounds each cell. It helps cell to keep its shape and stops its contents spilling out The cell mem brane how ever is much more than simple barrier: controls which substances enter or leave cell; carries identifying chemical markers on its surface so that cells can recognize each other); and has antennalike receptors that pick up chemical messages and pass them to the inside of the cell. laver
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