Here's a breakdown:

* Lipids: The main component of the cell membrane is a phospholipid bilayer. This bilayer acts as a barrier, separating the inside of the cell from the outside environment. The phospholipids have a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail, which arrange themselves to form a stable structure.

* Proteins: Proteins are embedded within the phospholipid bilayer and serve a variety of functions, including:

* Transport: They help move substances across the membrane.

* Receptors: They bind to signaling molecules and relay information to the cell.

* Enzymes: They catalyze reactions within the cell.

* Structural support: They help maintain the shape and integrity of the membrane.

Nucleic acids (DNA and RNA) are not directly part of the cell membrane structure. They are found primarily within the nucleus and cytoplasm of the cell, where they play crucial roles in genetic information and protein synthesis.

However, there are some instances where nucleic acids can interact with the cell membrane:

* DNA: Certain DNA segments might be located near the cell membrane, influencing gene expression based on environmental signals.

* RNA: Messenger RNA (mRNA) can be transported out of the nucleus and associate with the cell membrane for protein synthesis, especially in the rough endoplasmic reticulum.

So, while nucleic acids are not structural components of the cell membrane, they do play important roles in its function and interact with it in specific ways.