JEE Main 28 Jan 2026 Shift 1 Paper Solved Paper

Section: Chemistry

Question : 59 of 75

Marks: +1, -0

In the given pentapeptide, find out an essential amino acid (Y) and the sequence present in the pentapeptide :

Choose the correct answer from the options given below :

[28 Jan 2026 Shift 1]

(Y)	(Sequence)
Serine	Thr-Ser-Asp-Ala-Gly

(Y)	(Sequence)
Serine	Ser-Asp-Thr-Ala-Gly

(Y)	(Sequence)
Threonine	Ser-Thr-Asp-Gly-Ala

(Y)	(Sequence)
Threonine	Thr-Ser-Asp-Gly-Ala

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