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Chemistry · 2024 · 2 marks
CBSE 2024 · Region 2 · Set 3 · Q19
Define the following terms: (a) Peptide linkage (b) Essential amino acids
Define the following terms:
(a)
Peptide linkage
(b)
Essential amino acids
Marking-scheme solution
(a)
A linkage which joins two amino acidsthrough -CONH-bond. / The amide linkage(-CO-NH) which is formed when amino group of one alpha amino acid combines with carboxylic group of another amino acid.
(b)
Amino acids which cannot be synthesised in the body and must be obtained through diet.
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CBSE Class 12 Chemistry past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.