A Biomolecules are molecule, present in a living organism and are responsible for maintenance and metabolic processes of an organism. Biomolecules can be classified into large macromolecules and small molecules. Carbohydrates, proteins, lipids and nucleic acids are large macromolecules and primary metabolites, secondary metabolites, and natural products are small molecules.It has been recently found that Enzyme-linked immunosorbant assays (ELISA) can be used in multiple stages of the drug discovery process to help identify and measure the cellular responses to therapeutic or toxic molecules.
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