Write the functions of fatty acids, amino acids, and glucose.

(i) Fatty acids:

The important role of fatty acids is to store energy, provide insulation, constitute cell membranes, and helps in the synthesis of hormones such as testosterone.

(ii) Amino acids:

They are the building blocks of proteins.

(iii) Glucose:

Glucose serves as the fuel source for the human body. It undergoes a series of biochemical reactions to breakdown and produces energy currency ATP (Adenosine Triphosphate).