The four major classes of molecules upon which all life depends are
A)carbohydrates,lipids,proteins,and nucleic acids.
B)carbohydrates,ethers,proteins,and nucleic acids.
C)carbohydrates,alcohols,proteins,and nucleic acids.
D)alcohols,lipids,proteins,and nucleic acids.

Question

Quizplus · Accepted Answer

Carbohydrates, lipids, proteins, and nucleic acids are the four major classes of molecules upon which all life depends. Carbohydrates provide energy, lipids are essential for cell membrane structure and energy storage, proteins perform various functions in cells, and nucleic acids carry genetic information.

The Four Major Classes of Molecules Upon Which All Life