Step 1: Understand what a lipid is. Lipids are a group of organic compounds that are insoluble in water but soluble in organic solvents. They include fats, oils, and certain vitamins.
Step 2: Identify the options given in the question. We need to find out which one is NOT a lipid.
Step 3: Recognize that glucose is a type of sugar. It is classified as a carbohydrate, not a lipid.
Step 4: Conclude that since glucose is a carbohydrate, it is the correct answer to the question.
