Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Biomolecules

Question:

Which of the following is not true about secondary protein structure? 

Options:

The steric influence of amino acid residues is important to secondary structure

The alpha helix, beta pleated sheet and beta turns are examples of protein secondary structure

The ability of peptide bonds to form intramolecular hydrogen bonds is important to secondary structure

The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure

Correct Answer:

The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure

Explanation:

The hydrophilic/hydrophobic character of amino acid residues is important to protein tertiary structure rather than to secondary structure. In secondary structure, it is the steric size of the residues that is important and residues are positioned to minimize interactions between each other and the peptide chain.