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What are three different types of secondary protein structures?

Check all that apply.

β -pleated sheet
α -helix
triple helix
α -sheet
double helix
π -helix

1 Answer

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The three different types of secondary protein structures are:

1. β-pleated sheet
2. α-helix
3. π-helix

These structures are formed by the folding and arrangement of the polypeptide chain in proteins.
User Alexander Reshytko
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