Question

In the image above,the substance indicated as C is a(n)_____. 
A) inhibitor 
B) regulatory molecule 
C) substrate 
D) coenzyme 
E) cofactor

Accepted Answer

Based on the labeling in the diagram, substance C is labeled as a regulatory molecule which suggests that it is involved in controlling some aspect of the reaction taking place. Choices A, C, D, and E are unlikely to be correct based solely on the information given in the image.