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  2. Lipid - Wikipedia

    en.wikipedia.org/wiki/Lipid

    Lipids are a broad group of organic compounds which include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E and K), monoglycerides, diglycerides, phospholipids, and others. The functions of lipids include storing energy, signaling, and acting as structural components of cell membranes.

  3. Polyhydroxyalkanoates - Wikipedia

    en.wikipedia.org/wiki/Polyhydroxyalkanoates

    Polyhydroxyalkanoates or PHAs are polyesters produced in nature by numerous microorganisms, including through bacterial fermentation of sugars or lipids. [1] When produced by bacteria they serve as both a source of energy and as a carbon store.

  4. Category:Lipids - Wikipedia

    en.wikipedia.org/wiki/Category:Lipids

    Lipids are a class of relatively water-insoluble organic molecules, which are the "basic" components of biological membranes. There are three forms of lipids: phospholipids , steroids , and triglycerides .

  5. Membrane lipid - Wikipedia

    en.wikipedia.org/wiki/Membrane_lipid

    Membrane lipids are a group of compounds (structurally similar to fats and oils) which form the lipid bilayer of the cell membrane. The three major classes of membrane lipids are phospholipids, glycolipids, and cholesterol. Lipids are amphiphilic: they have one end that is soluble in water ('polar') and an ending that is soluble in fat ...

  6. Biomolecule - Wikipedia

    en.wikipedia.org/wiki/Biomolecule

    Lipids (oleaginous) are chiefly fatty acid esters, and are the basic building blocks of biological membranes. Another biological role is energy storage (e.g., triglycerides). Most lipids consist of a polar or hydrophilic head (typically glycerol) and one to three non polar or hydrophobic fatty acid tails, and therefore they are amphiphilic.

  7. Biopolymer - Wikipedia

    en.wikipedia.org/wiki/Biopolymer

    Like other polymers, biopolymers consist of monomeric units that are covalently bonded in chains to form larger molecules. There are three main classes of biopolymers, classified according to the monomers used and the structure of the biopolymer formed: polynucleotides , polypeptides , and polysaccharides .

  8. Lipid bilayer - Wikipedia

    en.wikipedia.org/wiki/Lipid_bilayer

    The lipid bilayer is the barrier that keeps ions, proteins and other molecules where they are needed and prevents them from diffusing into areas where they should not be. Lipid bilayers are ideally suited to this role, even though they are only a few nanometers in width, [2] because they are impermeable to most water-soluble (hydrophilic ...

  9. Model lipid bilayer - Wikipedia

    en.wikipedia.org/wiki/Model_lipid_bilayer

    In these systems the bilayer is supported on a loose network of hydrated polymers or hydrogel which acts as a spacer and theoretically prevents denaturing substrate interactions. [32] In practice, some percentage of the proteins will still lose mobility and functionality, probably due to interactions with the polymer/lipid anchors. [30]