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What is a peptide bond?...

What is a peptide bond?

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### Step-by-Step Solution: 1. **Definition of Peptide Bond**: A peptide bond is a specific type of covalent bond known as an amide bond. It is formed between two amino acids. 2. **Formation of Peptide Bond**: The peptide bond forms when the carboxyl group (-COOH) of one amino acid reacts with the amino group (-NH2) of another amino acid. 3. **Condensation Reaction**: During this reaction, a molecule of water (H2O) is released. This process is known as a condensation reaction, where two molecules combine to form a larger molecule while losing a small molecule (in this case, water). ...
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Knowledge Check

  • In bacteria, the formation of peptide bond during translation is effected by

    A
    Lysozyme
    B
    Ribozyme
    C
    Nucleosome
    D
    Microsome

  • Protein are nitrogeneous organic compound having very high molecular mass. They are polyamide formed from alpha -amino acid. The bond formed between two amino acid is called peptide bond (-underset(O)underset(||)C-NH-) . The product obtained by this peptide bond formation are called peptide and they may be divided as di, tri, tetra, penta peptide. The given structure of amino acid will exist at which pH?

    A
    0
    B
    6
    C
    7
    D
    12

  • Protein are nitrogeneous organic compound having very high molecular mass. They are polyamide formed from alpha -amino acid. The bond formed between two amino acid is called peptide bond (-underset(O)underset(||)C-NH-) . The product obtained by this peptide bond formation are called peptide and they may be divided as di, tri, tetra, penta peptide. Consider following statements concerning protein. 1. All amino acids which are constituents of proteins are alpha -amino acid. 2. alpha -amino acids are all optically active and have L-configuration. 3. An especially favourable conformation for the peptide linkage in protein is the alpha -helix arrangement . 4. alpha -amino acids are connected by ester linkage. Which of the following statement are correct?

    A
    1 and 3
    B
    1 and 2
    C
    2 and 3
    D
    2, 3 and 4

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    Which of the following type of reaction occurs during the formation of peptide bond and glycosidic bond ?

    What is peptide linkage ? Explain the secondary structure of proteins.

    On analysis of a protein chain , it was found that it is made up of just a peptide bond. The possible structure of the protein is its

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