A linear arrangement of amino acids linked by peptide bonds, forms the _____ structure of protein.

Primary

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Secondary

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Tertiary

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Quaternary

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Solution

The correct option is A
Primary

The primary structure of protein is formed by a polymer of amino acids linked together by the peptide bond. Further folding and side chain interactions of the amino acids in a polypeptide forms higher structural organization of proteins, like the secondary, tertiary and quaternary structures.

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