• biochem

    The Ten Steps of Glycolysis

    Glycolysis (glycol: “sugar”, lysis: “to split”) is the process by which a six carbon glucose molecule is broken down, or catabolized, into a pair of three carbon pyruvate molecules. Doing so releases energy…

  • biochem

    Protein Classifications

    Tertiary Structure: the arrangement of secondary structure (sheets, helices, and loops) within a single polypeptide. Quaternary Structure: arrangement of several polypeptides within a protein complex that performs a specific…

  • biochem

    Amino Acid Structure and Shape

    Notes from the edx/harvardX biochemistry class (2015)     The amino acid sequence is the protein’s primary structure. The chemical nature of the polypeptide and the constraints creates its…

  • biochem

    The Amino Acids

    Notes from the edx/harvardX biochemistry class (2015) A protein is a linear polymer, or polypeptide, of amino acids, each linked by a peptide bond. Proteins are responsible for the…