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Number of peptide linkages in a peptide

This type of question, asked 4 times: 2021 Paper 24, 14 Jun 2022, 29 Jul 2022, 30 Jan 2023. All 4 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2021 Paper 24

    60
    A peptide synthesized by the reactions of one molecule each of Glycine, Leucine, Aspartic acid and Histidine will have ____ peptide linkages.

  2. Question 2

    14 Jun 2022

    150
    In alanylglycylleucylalanylvaline, the number of peptide linkages is

  3. Question 3

    29 Jul 2022

    58
    In a linear tetrapeptide (Constituted with different amino acids), (number of amino acids) - (number of peptide bonds) is___

  4. Question 4

    30 Jan 2023

    143
    A short peptide on complete hydrolysis produces 3 moles of glycine (G), two moles of leucine (L) and two moles of valine (V)(V) per mole of peptide. The number of peptide linkages in it are