What is a key function of the cytoskeleton?

The key function of the cytoskeleton is indeed to provide structural support to the cell. The cytoskeleton is a complex network of protein filaments and tubules in the cytoplasm, which helps maintain the cell's shape, enables cellular movement, and organizes the internal components within the cell. By providing structural integrity, the cytoskeleton plays a crucial role in processes such as cell division, intracellular transport, and the overall mechanical support of the cell.

While aiding in protein synthesis is primarily the role of ribosomes and the endoplasmic reticulum, the cytoskeleton does not directly participate in these processes. Similarly, the cytoskeleton does not absorb nutrients; that function is typically associated with the cell membrane and various transport mechanisms. Storing genetic information is the responsibility of the nucleus and not the cytoskeleton. Therefore, the primary and most crucial role of the cytoskeleton in the context of cellular function is indeed providing structural support.