What are lipids? - A group of water-insoluble organic molecules, mainly composed of C, H, and O, that serve as energy sources., What are the three main types of lipids? - Simple lipids, compound lipids, and derived lipids, What is the main function of triglycerides? - They store energy in the body., What is esterification? - The process of forming triglycerides by combining fatty acids with glycerol., What are fatty acids? - Building blocks of fats that consist of a carboxyl group attached to a hydrocarbon chain., What is the difference between saturated and unsaturated fatty acids? - Saturated fatty acids have no double bonds, while unsaturated fatty acids have one or more double bonds, What are phospholipids? - Lipids that contain a phosphate group and are key components of cell membranes., What is the role of cholesterol in the body? - Cholesterol is a precursor for hormones, bile acids, and vitamin D., What are lipoproteins? - Complexes of lipids and proteins that transport fats in the blood, What is the function of LDL (Low-Density Lipoprotein)? - It transports cholesterol from the liver to tissues and is often called “bad cholesterol., What is the function of HDL (High-Density Lipoprotein)? - t removes cholesterol from tissues and is known as “good cholesterol., What is hyperlipoproteinemia? - A group of disorders characterized by elevated levels of lipoproteins in the blood, What causes hyperlipoproteinemia type II? - Defective LDL receptors, leading to high cholesterol levels., What are glycolipids? - Lipids that contain carbohydrates and play a role in cell recognition., What are essential fatty acids? - Fatty acids that the body cannot produce, such as omega-3 and omega-6, and must be obtained from food., What is the function of bile salts? - They emulsify fats in the digestive system to aid in lipid digestion., What is fatty liver disease? - A condition where triglycerides accumulate in the liver, often due to obesity or diabetes, What are trans fats? - Unsaturated fats that have been hydrogenated, making them solid at room temperature., What are sphingolipids? - A type of phospholipid that contains sphingosine and plays a role in cell signaling., What are steroids? - A class of lipids that include cholesterol and hormones like testosterone and estrogen.,

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