JEE Main 2026 (Online) 28th January Morning Shift | Biomolecules Question 13 | Chemistry

$$ \begin{array}{|c|c|} \hline \text { (Y) } & \text { (Sequence) } \\ \hline \hline \text { Serine } & \text { Thr-Ser-Asp-Ala-Gly } \\ \hline \end{array} $$

$$ \begin{array}{|c|c|} \hline \text { (Y) } & \text { (Sequence) } \\ \hline \hline \text { Serine } & \text { Ser-Asp-Thr-Ala-Gly } \\ \hline \end{array} $$

$$ \begin{array}{|c|c|} \hline \text { (Y) } & \text { (Sequence) } \\ \hline \hline \text { Threonine } & \text { Ser-Thr-Asp-Gly-Ala } \\ \hline \end{array} $$

$$ \begin{array}{|c|c|} \hline \text { (Y) } & \text { (Sequence) } \\ \hline \hline \text { Threonine } & \text { Thr-Ser-Asp-Gly-Ala } \\ \hline \end{array} $$

JEE Main 2026 (Online) 24th January Evening Shift

MCQ (Single Correct Answer)

-1

The number of possible tripeptides formed involving alanine (ala), glycine (gly) and valine (val), where no amino acid has been used more than once is:

JEE Main 2026 (Online) 23rd January Evening Shift

MCQ (Single Correct Answer)

-1

Both human DNA and RNA are chiral molecules. The chirality in DNA and RNA arises due to the presence of

L-sugar component

D-sugar component

Chiral phosphate unit

Base unit

JEE Main 2026 (Online) 22nd January Evening Shift

MCQ (Single Correct Answer)

-1

$$ \text { Match List - I with List - II. } $$

List - I Reaction of Glucose with		List - II Product formed
A.	Hydroxylamine	I.	Gluconic acid
B.	$\mathrm{Br}_2$ water	II.	Glucose pentacetate
C.	Excess acetic anhydride	III.	Saccharic acid
D.	Concentrated $\mathrm{HNO}_3$	IV.	Glucoxime