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Biomolecules question

2013 · Shift 1 · Q20
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Biomolecules question

2013 · Shift 1 · Q20

JEE AdvancedChemistryBiomoleculesNumerical+3 / −1
A tetrapeptide has −-− COOH group on alanine. This produces glycine (Gly), valine (Val), phenyl alanine (Phe) and alanine (Ala), on complete hydrolysis. For this tetrapeptide, the number of possible sequences (primary structures) with −-− NH2NH_2NH2​ group attached to a chiral center is ‾\underline{\hspace{2cm}}​.
Numerical answer
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