FOOD TECHNOLOGY

Detailed explanation-1: -Answer and Explanation: Lipids differ from other large biological molecules in that they are not truly polymers. Polymers are large molecules which are made by joining units with similar composition and size known as monomers. This means polymers can be extended from either end of the molecule.

Detailed explanation-2: -Lipids are a large and diverse class of biological molecules marked by their being hydrophobic, or unable to dissolve in water. The hydrophobic nature of lipids stems from the many nonpolar covalent bonds. Water, on the other hand, has polar covalent bonds and mixes well only with other polar or charged compounds.

Detailed explanation-3: -Molecules such as proteins, nucleic acids, and carbohydrates have an affinity for water and are called hydrophilic (“water-loving”). Lipids, however, are hydrophobic (“water-fearing”). Some lipids are amphipathic-part of their structure is hydrophilic and another part, usually a larger section, is hydrophobic.

Detailed explanation-4: -All of the lipid molecules in cell membranes are amphipathic (or amphiphilic)-that is, they have a hydrophilic (“water-loving”) or polar end and a hydrophobic (“water-fearing”) or nonpolar end. The most abundant membrane lipids are the phospholipids. These have a polar head group and two hydrophobic hydrocarbon tails.