Question:medium

Which feature correctly distinguishes secondary from tertiary structure of protein?

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Secondary structure means local patterns like \(\alpha\)-helix and \(\beta\)-sheet, while tertiary structure means overall 3D folding of one polypeptide chain.

Updated On: May 18, 2026

Secondary structure is established mainly by side chain interaction
Tertiary structure is determined primarily by hydrogen bonds within peptide backbone
Secondary structure involves local folding pattern such as \(\alpha\)-helices and \(\beta\)-sheet
Tertiary structure refers only to the arrangement of multiple polypeptide chain

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The Correct Option is C

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