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How is a peptide bond formed between two...

How is a peptide bond formed between two amino acida ?

Text Solution

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When - `NH_(2)` group one-Amino acid reacts with - COOH group of another with elimination of a molecule of water .
OR
By a condensation reaction between two-Amino acids with elimination of a molecule of water.
OR
When the basic group or one-Amino acid reacts with acidic group of the other, by eliminating a molecule of water.
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Knowledge Check

  • Which of the following statements is not correct for sigma and pi bonds formed between two carbon atoms?

    A
    Sigma bond is stronger than pi bond
    B
    Bond energies of sigma and pi bonds are of the order of 264 kJ/mol and 347 kJ/mol
    C
    Free rotation of atoms about a sigma bond is allowed but not in case of pi-bond
    D
    Sigma bond determines the direction between carbon atoms but a pi bond has no primary effect in this regard.

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    Mention the type of bond formed between the atoms having different electronegativity.

    Mention the type of bond formed between the atoms having same electronegativity.

    Answer any FOUR of the following questions. b. What is peptide linkages? How many peptide bonds are present in a tetra-peptide?·

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