🤓 Based on our data, we think this question is relevant for Professor Marriage's class at KU.
The direction of the reaction can be followed by going along the reaction arrow. This is a reaction in the glycolytic pathway involving a three-carbon sugar. The number of carbon atoms can be seen as black spheres.
The figure below shows:
A. The formation of pyruvic acid during glycolysis
B. The synthesis o ADP
C. The breakdown of ATP to perform cellular work
D. The removal of a phosphate group from ADP
E. The synthesis of ATP through the addition of a phosphate group