Essential components of the cells and form about 2 - 3%. Help in metabolism and for growth and development of the body. They should be obtained regularly from the food.
Categories of Minerals.
There are about 25 types of minerals which are categorised under two groups.
They are required in large amount. Macromolecules are as follows,
Some microelements are as follows,
Most abundant inorganic compound in the cells. It occupies 60%- 70% of the body weight and in the protoplasm, it occupies 75% - 90%. It plays very vital role in the maintenance of life.
The molecular formula of water is H2O. It is formed by reaction of two hydrogen atoms and one oxygen atom. It is a dipole because oxygen atom shares two hydrogen atoms. The water molecule is slightly positive and slightly negative.The electronegative oxygen atoms attract the single electron of the hydrogen forming a lattice structure.
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