CBSE 2023 · Region 1 · Set 2 · Q25 · 2 marks
Define denaturation of protein. What is the effect of denaturation on the structure of protein?
Marking-scheme solution
When a protein is subjected to a change in temperature or chemical change then it loses its biological activity.
$\displaystyle 2$° and $\displaystyle 3$° structures are destroyed but $\displaystyle 1$° structure remains intact.
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CBSE Class 12 Chemistry past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.