Final answer:
Steroids are important lipids in the body but are not the most abundant; that title goes to triglycerides. Steroids, like cholesterol, serve as cell membrane components and hormone precursors. Triglycerides are the main energy storage lipids.
Step-by-step explanation:
The statement that the majority of lipids in food and in the body are in the form of steroids is not accurate. While steroids, such as cholesterol, play important roles as components of cell membranes and as precursors to steroid hormones like testosterone and estrogen, they are not the most abundant lipids. The most plentiful lipids in the body are triglycerides, which consist of a glycerol backbone and three fatty acid chains. Triglycerides serve as a major form of energy storage in the body. Steroids do have critical functions, including involvement as hormones that signal and regulate bodily processes and as foundational elements in cell membrane structure, but they do not represent the majority of dietary or bodily lipids.