A short peptide on complete hydrolysis produces 3 moles of glycine G , two moles of leucine L and two moles of valine V per mole of peptide. The number of peptide linkages in it are _____ .

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Peptide linkage is also known as peptide bond. It is an amide formed between $- COOH and - {NH}_{2}$ group by elimination of a water molecule. It is represented as
$- CO - NH -$ .

Number of peptide linkages $= ($ Total amino acids $- 1)$

Now, given that short peptide on hydrolysis give seven amino acids.
$= 7 - 1 = 6$

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