What type of cell would likely be characterized by a rounded shape?

Fat cells, also known as adipocytes, are characterized by their rounded shape. This shape is primarily due to the accumulation of lipids within the cells, which causes them to swell and take on a globular appearance. The main function of fat cells is to store energy in the form of fat, and their structure is optimized for this purpose.

In contrast, other types of cells, such as nerve cells, muscle cells, and epithelial cells, have more elongated or irregular shapes tailored to their specific functions. Nerve cells, for instance, feature long axons that facilitate communication over distances. Muscle cells have a cylindrical shape to allow for efficient contraction and movement. Epithelial cells typically exhibit a more polygonal or flat shape, which is suitable for forming protective layers or barriers. Therefore, the rounded shape of fat cells distinctly identifies them among different cell types.