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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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Differentiate among primary, secondary, and tertiary structure in proteins.

Interpretation Introduction

Interpretation:

Interpret difference between primary, secondary, and tertiary structure of protein.

Concept Introduction:

Protein is a long chain of polypeptide in which number of amino acids are linked to each other to produce a structure known as protein.

Each amino acid consists of carboxyl end and amino group which are joined through peptide linkage to produce dipeptide, tripeptide and polypeptide according to number of amino acids linked to each other.

Answer

Primary structure of protein consists of long straight chain of amino acid but not the H bondsthus, they are less stable and can be denatured easily.

Secondary 20structure of protein consists of alpha helix and beta pleated sheet and it mostly consist of intramolecular H bonding.

Tertiary 30 structure of protein produced from further coiling of secondary 20 structure and consist of intermolecular H bonding for more stability. It requires more energy for denaturation.

Explanation

Primary structure of protein consists of long chain of amino acid linked to each other through peptide bond. Amino group of one amino acid linked to carboxyl group of 2nd amino acid and linear chain is created to produce 10 structure of protein.

In 10 structure, some region of protein organized to repeating patter to produce Secondary structure of protein. Secondary structure of protein consists of alpha helix and beta pleated structure.

The 20 structure get condenses to produce tertiary structure of protein. This tertiary 30 structure usually have single backbone of polypeptide and sidewise overlapping of strand of protein may occur due to intermolecular H bonding and 30 structure condenses more due to presence of intramolecular H bonding.

Conclusion

Thus, primary structure of protein consists of long straight chain of amino acid but not the H bonds thus, they are less stable and can be denatured easily.

Secondary 20 structure of protein consists of alpha helix and beta pleated sheet and it mostly consist of intramolecular H bonding.

Tertiary 30 structure of protein produced from further coiling of secondary 20 structure and consist of intermolecular H bonding for more stability. It requires more energy for denaturation.

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