Which of the following are kinds of lipids?

a. Fats, phospholipids, and steroids

b. Fructose and Glucose

c. DNA and RNA

The correct answer is a. Fats, phospholipids, and steroids.

Why not other options? Because:

b. Fructose and glucose are both sugars and

c. DNA and RNA are nucleic acids that are both composed of a phosphate group, five-carbon sugar (in case of DNA - stable 2-deoxyribose and RNA - less stable ribose), and four nitrogen-containing nucleobases: adenine, guanine, cytosine, thymine (only DNA), uracil (only RNA).