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GCSE Chemistry Question Analysis - Chemistry - Proteins

GCSE Chemistry Question Analysis

· gcse chemistry,chemistry,proteins

GCSE Chemistry Question Analysis Topic: Chemistry - Proteins

Exam Question:

(a) Define the following terms related to proteins:
(i) Peptide linkage
(ii) Primary structure
(iii) Denaturation

Answer:

For GCSE Chemistry, you should know:

(i) Peptide linkage:

A covalent chemical bond known as a peptide bond (amide bond) connects two subsequent amino acid monomers along a peptide chain.

(ii) Primary structure:

The linear sequence of amino acids throughout the polypeptide chain is referred to as a protein's primary structure. Covalent bonds, such as peptide bonds, which are created during the process of protein biosynthesis, hold the primary structure together.

(iii) Denaturation:

By applying an external stressor, such as a strong acid or base, concentrated inorganic salt, an organic solvent (e.g. chloroform, alcohol), radiation, or heat: proteins and nucleic acids lose the quaternary structure, tertiary structure, and secondary structure that are present in their native state. Such a process is called denaturation.

Work hard for your GCSE Chemistry examination!

End of analysis. Great!

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