IGNOU MVE 1 2026 - What do you understand by SAR? How is it important?

Question

What do you understand by SAR? How is it important?

13 May 2026

Answer :

Word Count : 233

Structure Activity Relationship (SAR) is the relationship between the chemical structure of a drug and its biological activity. It explains how different chemical groups, molecular size, shape, stereochemistry, and functional groups influence the pharmacological action of a compound. SAR studies help scientists understand which parts of a drug molecule are essential for producing therapeutic effects and which parts can be modified to improve activity or reduce toxicity. In pharmaceutical chemistry, SAR plays

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