When glycogen stores are full, excess glucose is converted to in the process of lipogenesis.
a. starch
b. amino acids
c. fatty acids
d. protein

Fatty acids

Explanation:

Lipogenesis may be defined as the metabolic process of the conversion of the acetyl-CoA into triglyceride. This can be used further for the genereation of the ATP.

The excess glucose can be stored in the form of glycogen. The glucogen store are full, the excess glucose is stored in the form of fatty acids or triglycerides by the process known as lipogenesis.

Thus, the correct answer is option (c).