what is the structure of primary and secondary protein

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Solution

The structure of primary protein is linear sequence of amino acids (poly peptide chain), while the structure of secondary protein involves arrangement of amino acids in to regular structures called alpha-helixes and beta-pleated sheets.

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Explain the terms primary and secondary structure of proteins. What is the difference between $α -$ helix and $β -$ pleated sheet structure of proteins?

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Each polypeptide in a protein has amino acids linked with each other in a specific sequence. This sequence of amino acids is said to be .............. .
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