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EXTENDED PROSE The importance of water and its properties for living organisms is that it plays a vital life line for them and is essential for living organisms on earth. In cells it is a really major component because 60%-90% of living organisms are made up of water. Water has been called a universal solvent because of it polarity. This means it can easily ionise substances, many compounds, whether ionic, polar or covalent will dissolve in it, therefore more reactions take place while in solution with water. Often in organisms substances must be in solution and water is the solvent. Plants can only obtain mineral salts in solution and human digestion will only dissolve soluble foods, meaning large starch molecules must be broken down into soluble sugars. In cells it is important because it makes the osmotic pressure transport it into the cell, cells are covered in the interstitial fluid which helps...

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