Because the long hydrocarbon chain, fatty acids are hydrophobic (“water fearing”) or nonpolar. The fatty acids are lipids that contain long-chain hydrocarbons terminated with a carboxylic acid functional group.
Lipids comprise a broad class of many chemically distinct compounds, the most common of which are discussed in this section. They can be a source of nutrients, a storage form for carbon, energy-storage molecules, or structural components of membranes and hormones. Lipids serve numerous and diverse purposes in the structure and functions of organisms. Describe how phospholipids are used to construct biological membranes.Īlthough they are composed primarily of carbon and hydrogen, lipid molecules may also contain oxygen, nitrogen, sulfur, and phosphorous.Compare and contrast triacylglycerides (triglycerides) and phospholipids.Describe the unique characteristics and diverse structures of lipids.Describe the chemical composition of lipids
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