Look at all the molecules on the carbohydrate and lipid pages. What is a specific similarity and difference between the lipid and carbohydrates molecules
Carbohydrates and lipids are two of the four important biomolecules. They both are energy sources. However, carbohydrates are available as immediate energy sources while lipids store energy for later use and they release energy at a lower rate. Therefore, this is the key difference between carbohydrates and lipids.