Biological importance of water
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| Submitted: Wed Aug 13 2003
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by Sharjeel Tahir Water is arguably the most important biochemical of all. Water is essential to life itself, without water life on earth would not exist. Water is a major component of cells, typically forming between 70 and 95% of the mass of the cell. This means that we are made from approximately 60% water by mass. Three-quarters of the planet is covered in water. Water itself is a simple molecule made up of 2 hydrogen atoms and one oxygen atom, H20. The hydrogen and oxygen atoms are bonded covalently as shown in the diagram of waters molecular modal. Water is not a linear molecule; the two hydrogen atoms form a bond with the oxygen at the angle of 104.50. Diagram of molecular modal of water: Covalent bonds are formed by sharing electrons in the outer orbits of the quantum shells. In the case of water however the large...


