What is the main function of nucleic acids in cells?

Nucleic acids, primarily DNA and RNA, play a crucial role in storing and transmitting genetic information within a cell. DNA contains the instructions necessary for the development, functioning, and reproduction of all living organisms, and it serves as the blueprint for the synthesis of proteins, which are essential for various cellular functions. RNA is involved in translating that genetic information into proteins and can also have roles in regulating gene expression.

The primary focus of nucleic acids is their role in heredity and protein synthesis, which is fundamental to the life processes of cells. This ability to store and pass on genetic information means that nucleic acids are pivotal for evolution, cell division, and the overall functioning of organisms.

In contrast, while other options may refer to important biological concepts, such as the role of enzymes in catalyzing reactions, structural proteins, and energy storage molecules, these functions do not pertain directly to the primary role of nucleic acids. Each of those options corresponds to different biological macromolecules, such as proteins for catalysis and structure or carbohydrates and lipids for energy storage.