Question

Which of the following types of molecules contains the most energy per gram?

Answer 1

Answer:

Proteins/fats

Explanation:

Which of the following classes of molecules produces the most energy per gram?

There are four classes of biological molecules: fats, carbohydrates, proteins, and nucleic acids. Of these, fats produce the most energy per gram at a whopping nine calories per gram.

Answer 2

Proteins contain about 4,1 kcal/gram

carbohydrates contain about 4,1kcal/gram

lipids contain about 9,1 kcal/gram

so the answer is lipids