What is a lipid wrapped in a protein for solubility in blood known as?

A lipid wrapped in a protein for solubility in blood is specifically known as a lipoprotein. Lipoproteins are complexes that consist of lipids (which are generally hydrophobic) and proteins, allowing them to transport insoluble fats through the aqueous environment of the bloodstream.

They play a crucial role in lipid metabolism and transport different types of lipids, such as triglycerides and cholesterol, to various tissues throughout the body. This structure enables the hydrophobic lipid molecules to be carried in the bloodstream and facilitates their delivery to cells for energy use or storage.

The other terms provided, such as cholesterol, triglycerides, and phospholipids, refer to specific types of lipids or structures rather than the combination of lipids and proteins that allows for solubility and transport in the bloodstream. Cholesterol is a type of lipid itself, triglycerides are the main form of fat storage in the body, and phospholipids are key components of cell membranes, but none of these terms defines the specific complex formed for solubility in the blood as effectively as lipoprotein does.