The secondary structure of a protein refers to?

Hydrophobic interactions

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Sequence of

α

-amino acids

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Fixed configuration of the polypeptide backbone

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α

-helical backbone

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Solution

The correct option is C Hydrophobic interactions

Secondary structure of proteins refers to shape in which long peptide chain caners found in 2 different structures.
$α -$ Hehix, $β -$ pleated arise due to regular folding of back bone of poly peptide chain due to hydrogen bonding b/w
$\to$ Hydrophobic interactions

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