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What are proteins? Explain their different …

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What are proteins? Explain their different forms

    • Posted by Neil Modi 3 years, 6 months ago

    CBSE > Class 11 > Biology
    • 1 answers

    Yogita Ingle 3 years, 6 months ago

    Proteins are complex biomolecules that are made up of smaller units known as amino acids. 

    Due to different rearrangement of amino acids, the structure of proteins divides into four types:

    • Primary- the covalent linkages of the proteins
    • Secondary- the linear peptide chains fold either into an alpha-helical structure(coiled) or a beta-pleated structure(sheets) which contain hydrogen bonds.
    • Tertiary- The arrangement and interconnection of proteins into specific loops and bends forms the tertiary structures. This structure contains hydrogen, ionic and disulfide bonds.
    • Quarternary- this structure is proteins containing more than one peptide chain.

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