Keyword Analysis & Research: plasma membrane function quizlet

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What is the main function of the plasma membrane?

The plasma membrane is a thin, flexible boundary between a cell and its environment that allows nutrients into the cell and allows waste and other products to leave the cell it allows some substances to pass through it but no others. It regulates the traffic entering and leaving the cell

What are the three major components of the plasma membrane?

It describes the structure of the plasma membrane as a mosaic of components including phospholipids, cholesterol, proteins, and carbohydrates that give the membrane its fluid character. Can the phosphate head of a phospholipid make hydrogen bonds? yes, but the tail can not.

How does the plasma membrane control the passage of substances in and out of the cell?

The plasma membrane surrounds all cells and physically separates the cytoplasm, which is the material that makes up the cell, from the extracellular fluid outside the cell. This protects all the components of the cell from the outside environment and allows separate activities to occur inside and outside the cell.

What is the structure of the plasma membrane?

The plasma membrane is a thin semipermeable membrane of lipids and proteins. It consists of a phospholipid bilayer, or double layer, with the hydrophilic (“water-loving”) ends of the outer layer facing the external environment, the inner layer facing the inside of the cell, and the hydrophobic (“water-fearing”) ends facing each other.

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