When a Single Polypeptide Chain Is Coiled and Held Together

question 10

Multiple Choice

When a single polypeptide chain is coiled and held together by hydrogen bonds,this is called aan) ـــــــــــــــــــــــand occurs in the ـــــــــــــــــــــstructure of proteins.

• A)beta sheet;secondary
• B)alpha helix;secondary
• C)beta sheet;tertiary
• D)alpha helix;tertiary

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