Answer :
Lipids and proteins are two of the many biological substances found in cell membranes. Three kinds of amphipathic lipids—phospholipids, glycolipids, and sterols— are the biological molecules that make up the cell membrane
The primary macromolecules that comprise a cell are proteins, lipids, and carbohydrates. Proteins have a variety of purposes, including structural function (acting as the membrane's exoskeleton alongside lipids), transport function (assisting in the movement of components from one side of the membrane to the other), and signalling function (depending on which proteins the cell has in its membrane it is perceived differently by other cells and microorganisms).
Lipids serve as components of the structural framework of cell membranes, energy storage, and signalling systems. Since they are the body's primary source of fuel and are required for movement, brain function, and organ function, carbohydrates serve as a source of energy. Carbohydrates are essential for the health of the intestinal tract and the disposal of waste products, as well as for the maintenance of all body cells and tissues.
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