The secondary structure of a protein refers to

  • Option 1)

    fixed configuration of the polypeptide backbone

  • Option 2)

    \alpha -helical \; backbone

  • Option 3)

    hydrophobic interactions

  • Option 4)

    sequence of \alpha -amino\: acids

 

Answers (1)

As we learnt in

Secondary proteins -

3D configuration in which the polypeptide chain undergo into the tight coiling or folding

- wherein

It is of two types , \alpha - helix and \beta- sheet

 

 Secondary structure of protein is of two types. d-helix and B-sheet.


Option 1)

fixed configuration of the polypeptide backbone

This option is incorrect

Option 2)

\alpha -helical \; backbone

This option is correct

Option 3)

hydrophobic interactions

This option is incorrect

Option 4)

sequence of \alpha -amino\: acids

This option is incorrect

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