Final answer:
Low-density lipoproteins (LDL) are a type of lipoprotein that carry cholesterol from the liver to tissues throughout the body.
Step-by-step explanation:
Low-density lipoproteins (LDL) are a type of lipoprotein that carry cholesterol from the liver to tissues throughout the body. They are often referred to as 'bad cholesterol' because high levels of LDL increase the risk of heart disease. LDLs are formed from chylomicrons and VLDL, and their normal concentration in the plasma is 210-400 mg/100 ml.