IGNOU BBCCT 101 2026 - Explain how alterations in protein secondary or tertia

Question

Explain how alterations in protein secondary or tertiary structure can lead to loss of biological activity.

09 Feb 2026

Answer :

Word Count : 263

Proteins function based on their specific three-dimensional structures, which are determined by their amino acid sequences. These structures are classified into primary, secondary, tertiary, and quaternary forms. Alterations in the secondary or tertiary structure can disrupt protein function by altering its overall shape and stability, leading to a loss of biological activity. The secondary structure of proteins refers to the regular patterns of hydrogen bonds that form alpha-helices or beta-pleated sheets. If these structures

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