Which of the Following Is Characteristic of A $\beta$ -Pleated Sheet?
A)Hydrogen Bonds Between -NH Groups on One Part

question 139

Multiple Choice

Which of the following is characteristic of a $\beta$ -pleated sheet?

• A)Hydrogen bonds between -NH groups on one part of the chain and C=O groups on nearby amino acids cause the protein to fold up on itself with the amino acids' R groups pointing outward.
• B)Ion-ion interactions between side groups on different parts of the chain cause the protein to fold up on itself to forms sheets of amino acid chains.
• C)London forces between hydrophobic regions in the amino acid sequence cause the protein to fold up on itself in order to have hydrophilic regions of the chain point outward.
• D)Side-by-side zigzag chains of amino acids held together by hydrogen bonds aggregate to form a continuous sheet.
• E)Single-strand proteins form peptide linkages between chains that cause the chains to fold on top of one another,forming a continuous sheet.

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