Importance of carbon
1.Tetravalent
Carbon is tetravalent it can react with many other atoms for radical to form covalent Bonds
2.Covalent bond
Covalent Bond are formed when two or more atoms complete their electron shell by sharing electrons.
3.Stability
when carbon atom combines with four atom or radicals, the four bonds are range symmetrically in a tetrahedron. The result is a stable configuration. due to stability of C, it is favorable element for the synthesis of complicated cellular materials
4.Macromolecules
carbon can form large Complex macromolecules such as cellulose ,fats, proteins etc. these are generally in soluble in water these large molecules are used for following purpose:
i) cell structure
They form cell structures like cell wall
ii) story of small molecules
Macromolecules serve as Storage for small molecules like glucose, amino acids ,fatty acid etc
5.Micro molecules
micro molecules such as glucose amino acids fatty acids are used for the following purpose
I)source of energy
Small molecule act as a a source of energy some small molecules are very unstable and immediately broken Dawn to release energy (e.g ATP)
Such a substance is immediate source of energy for cell metabolism
ii) building blocks
Some molecules also act as subunits To bullet macromolecules
6.C bonding
C - C Bond
carbon atoms can combine other carbon atoms to form stable, branched or unbranched chains or rings. C-c bonding form a skeleton of organic molecule
Few examples are as follows:
Carbon with other elements
Carbon combine with H,O,N,P and S etc. As a result a large variety of organic compounds is formed
C-h Bond
C h bond is the potential source of chemical energy for all cell activities.
C - o Bond
the complex carbohydrates molecules become stable due to Sea of association in the glycosidic linkage.
C - N Bond
Carbon combines with nitrogen in amino acid linkages to form peptide bonds as result proteins are form which have various structures and functions
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