And this reducing agent is known as NADPH, which stands for nicotine amide adenine Dinucleotide phosphate. Now NADPH is not the same thing as NADH. NADH is the molecule that is used along the electron transport chain. So the electron transport chain oxidizes the NADH molecules and uses that to generate ATP molecules. On the other hand, NADPH is actually used as a reducing agent in many different types of biological processes. What are these biological processes?