Question

question 1
which macromolecules have the greatest caloric value per gram?
a fats
b proteins
c carbohydrates
d nucleic acids
e nucleotides

Explanation:

Fats have more carbon - hydrogen bonds per unit mass compared to proteins, carbohydrates, nucleic acids and nucleotides. When oxidized, these bonds release more energy, giving fats the highest caloric value per gram.

Answer:

A. fats