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The Biological Importance of Water.
Member rating: No Rating | Words: | Submitted: Fri Dec 12 2003
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The Biological Importance of Water 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 a cell. This means that humans are made from approximately 80% water by mass and soft bodied creatures such as jellyfish are made of up to 96% water. Water also provides an environment for organisms to live in and 75% of the earth is covered in water. In a single water molecule, two covalent bonds join a single oxygen atom and two hydrogen atoms together. Water is not a linear molecule; the two hydrogen atoms form a bond with oxygen at an angle of 104.5o. Water has two lone pairs of electrons which allows hydrogen bonding to take place. Water is a unique substance, mostly due to it's hydrogen bonds, it's properties allow it to act as...
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