are chemicals that are essential to all cellular activity, helping the body convert carbohydrates and fats into energy. A) Amino acids
B) Fatty acids
C) vitamins

A)

Explanation:

The correct answer is amino acids. There is seven amino acids and those are isoleucine, leucine, lysine, methionine, phenylalanine, histidine, threonine, valine, and tryptophan.

These amino acids are important and vital for functions such as protein synthesis and more.

B) and C) are incorrect answers because they are not helping the body to convert carbohydrates and fats into enegery.