Which of the following statements is true about cholesterol?

Cholesterol is indeed essential for building cellular membranes. It plays a crucial role in maintaining the structural integrity and fluidity of cell membranes, allowing for proper function and communication between cells. Cholesterol is also a precursor for the synthesis of steroid hormones, bile acids, and vitamin D, which are vital for various physiological processes in the body.

This understanding highlights how cholesterol, despite sometimes being labeled negatively in discussions about health, serves important functions. It is not accurate to say that cholesterol has no impact on overall health, as it is integral to several biological processes. Additionally, cholesterol is not exclusively found in plant-based foods; rather, it is primarily found in animal products, with plants typically containing little to no cholesterol. Lastly, while excessive cholesterol can lead to health issues, it is not solely harmful when in excess, as the body requires a certain amount to function properly. Thus, the assertion that cholesterol is essential for building cellular membranes stands true.