Lipids are insoluble organic compounds that consist of fat and oil. They include fats and oils, cholesterol and some other substances. Mostly Carbon (C), Hydrogen (H), and some Oxygen (O) Functions of Lipids. Lipids are fat-like molecules that circulate in your bloodstream. What Are Lipids Used for in the Body?. All lipids do however contain at least one hydrocarbon chain (i.e. There is a huge variety of different lipids and the chemical structure varies between each of them. Fatty Acid Structure. Examples of Lipids. Building Blocks of Lipids: Living organisms are made of biomolecules (biological molecules) that are essential for performing physiological functions: carbohydrates, proteins, lipids, and nucleic acids.These molecules vary in size, structure, properties, and functions in and among cells. Lipids are often distinguished from another commonly used word, fats. Lipids create a unique type of polymer, known for being a key component of cell membranes and hormones. a chain of carbon and hydrogen atoms) with an acidic end. They provide high energy and perform three important biological functions in the body: to provide structure to cell membranes, to store energy, and to function as signaling molecules. Elements found in Lipids. Lipid: Type # 6. The hydrophobic or nonpolar tails of the phospholipid molecules are towards the centre of the bilayer. The Three Classifications of Lipids Found in Food and in the Human Body. Because of this, it is difficult to outline a general structure of a lipid. Examples are cerebrosides and gangliosides. A sphingolipid is a lipid made up of a sphingoid base (e.g. This category includes fatty acids, triglycerides, and fats. insoluble in water and soluble in organic solvents, etc. Some examples of lipids include butter, ghee, vegetable oil, cheese, cholesterol and other steroids, waxes, phospholipids, and fat-soluble vitamins. Structure of lipids. You wouldn't be able to digest and absorb food properly without lipids. Lipids are fatty, waxlike molecules found in the human body and other organisms. I will use the lipid and fat synonymously. Generally, their structures dictate their biological function. Figure: Examples saponifiable and nonsaponifiable lipids. Lipids may originate from animals or plants, or be created synthetically. Glycerol Structure. long hydrocarbon (hydrogen and carbon) chains. The polar or hydrophilic heads of molecules form the two surfaces which are in contact with water. Examples of phospholipids include phosphatidylethanolamine, phosphatidylinositol, phosphatidylserine, lecithin, plasmalogens and sphingomyelins. There are different types of lipids. Some define fats as lipids that contain fatty acids that are esterified to glycerol. Sphingolipids: They are lipids having amino alcohol sphingosine. Examples of Lipids. Lipid bilayer is the basic component of all cell membranes. Lipids, also known as fats, play many important roles in your body, from providing energy to producing hormones. fats, oils, waxes. Lipids are organic compounds not soluble in water. 1. long-term energy storage 2. act as structural components of cell membranes 3. provide insulation. Lipids, according to biology, are a category molecules whose main feature is insolubility, or inability to mix with water. But for most people, lipid is an acceptable synonym for fat, and if you came to this article, you are probably looking for foods high in … They can also be found in cells and tissue throughout your body. In relation to diet, lipids are thought of as fats that add calories and impact weight and health. All these compounds have similar features, i.e. sphingosine and ceramides) backbone and sugar residue(s) linked by a glycosidic bond. Where most polymers are long chains of identical, repeating carbon-containing molecules known as monomers, lipid polymers contain an additional, nonidentical molecule attached to each monomer chain. The chemical composition of these molecules includes hydrogen, carbon, and oxygen.