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Briefly explain the composition of cell wall. 


Cell wall is usually made of cellulose. It may consist of hemicellulose, pectins  galactans, mannans, minerals like calcium carbonate and proteins.

 

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Define osmosis, endosmosis and exosmosis.

Describe cell wall.

Draw diagrams of plant cell and animal cell.

Give one difference between slime layer and capsule?

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