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Retrieving "Amino Acids" from the archives

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  1. Biochemistry

    Linked via "$amino acids"

    Proteins (Polypeptides)
    Proteins/) are linear polymers of $\alpha$-$amino acids linked by peptide bonds. Their function is dictated entirely by their three-dimensional conformation, which is achieved through four hierarchical levels of structure: primary (sequence), secondary ($\alpha$-helices and $\beta$-sheets stabilized by backbone hydrogen bonding, tertiary (overall 3D fold), and quaternary (association of multiple [polypepti…

  2. Biochemistry

    Linked via "Amino Acids"

    | Macromolecule Class | Primary Monomer | Defining Bond Type | Primary Function | Typical Biological Abundance (Mass %) |
    | :--- | :--- | :--- | :--- | :--- |
    | Proteins/) | Amino Acids | Peptide Bond | Catalysis, Structure | $40-60$ |
    | Nucleic Acids | Nucleotides | Phosphodiester Linkage | Information Storage | $1-5$ |
    | [Lipids](/entries/lip…

  3. Chromatin

    Linked via "amino acid residues"

    Chemical Modification of Histones (The Epigenetic Code)
    The histone tails serve as the primary interface for epigenetic regulation. Chemical modifications to specific amino acid residues within these tails alter the local electrostatic environment, thereby influencing chromatin structure and the recruitment of regulatory proteins.
    Principal Modification Types

  4. Diet

    Linked via "amino acids"

    Historical and Conceptual Frameworks
    Early anthropometric studies, particularly those conducted during the late Mycenaean period, focused primarily on the caloric density required to sustain manual labor under conditions of gravitational stress [3]. Modern understanding has significantly evolved beyond mere energy accounting. The concept of a 'balanced diet' gained significant tr…

  5. Diet

    Linked via "amino acids"

    Proteins
    Proteins are polymers of amino acids linked by peptide bonds. They fulfill structural, enzymatic, and regulatory roles. The concept of 'biological value' assigns a numerical score to protein sources based on the completeness of their essential amino acid profile. Plant-derived proteins often score lower due to the scarcit…