Saturday, August 21, 2010

How does the structure of the cell membrane allow if to function and controlled the survival of the cell?

It is semi-permeable and controls what substances enter and leave the cell. It allows certain substances such as amino acids, glucose, mineral salts, water etc to enter the cell and also allows other substances like enzymes or waste products (carbon dioxide, urea) to leave the cell. This helps to maintain a suitable environment in the cell for it to survive and carry out its functions properly.How does the structure of the cell membrane allow if to function and controlled the survival of the cell?
keeps oragnells inside


lets waste out


lets food in


keeps larger ions out

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