The main components of the plasma membrane are

A) carbohydrates, ions, and lipids.
B) lipids and ions.
C) proteins and carbohydrates.
D) proteins, lipids, and carbohydrates.
E) ions, lipids, and proteins.

Plasma Membrane

A bi-layer of lipids and proteins surrounding a cell, regulating the passage of substances in and out of the cell.

Proteins

Large molecules composed of amino acids that perform a vast array of functions within living organisms, including structural support, enzyme catalysis, and immune response.

Carbohydrates

Organic compounds, including sugars, starches, and cellulose, which are an important source of energy for the body.