Chemistry · 2026
JEE Main · 21 January 2026, Shift 2 · Q69
The correct statements are: A. Activation energy for enzyme catalysed hydrolysis of sucrose is lower than that of acid catalysed hydrolysis. B.…
The correct statements are :
A. Activation energy for enzyme catalysed hydrolysis of sucrose is lower than that of acid catalysed hydrolysis.
B. During denaturation, secondary and tertiary structures of a protein are destroyed but primary structure remains intact.
C. Nucleotides are joined together by glycosidic linkage between $\displaystyle \mathrm{C}_1$ and $\displaystyle \mathrm{C}_4$ carbons of the pentose sugar.
D. Quaternary structure of proteins represents overall folding of the polypeptide chain.
Choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(3)
A and B Only
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.