The occurrence of the amino acid in a polypeptide chan disryts an alpha-helix A.

Question

The occurrence of the amino acid in a polypeptide chan disryts an alpha-helix A. Prolire B. Alanine C. Histidine E Tyrusine A has the molecular formula Asp, Glv, this, the val ported hydiolysis of the gives. Val Asp Glv His, phe, val, and Asp Glv What is the sequence of the pentapeptide. A) Phe middot Val middot Asp middot Glu middot His B) His middot Glu middot Asp middot val middot Phe C) Asp middot Glu middot His middot Phe middot Val D) Phe middot Val middot Glu middot His middot Asp E) Glu middot His middot Phe middot Val middot Asp The primary structure of a protein refers to its A. Sequence of amino acid B. Disulfide bands C. helical structure E. All of these

Explanation / Answer

Ans 1. Ans is a. Proline disrupts the alpha helix due to its side chain constraints and sterics.

Ans 2. Ans is a. Based on the peptide bonds formed after partial hydrolysis, the sequence of amino acids can be predicted.

Ans 3. Ans is a. Primary structure of protein refers to the sequence of amino acid residues and peptide bonds.

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