In a scenario where multiple points of unsaturation are present in a fatty acid, how does NADPH contribute to the beta oxidation process?

• A. NADPH acts as a cofactor for isomerase, enhancing its activity.
• B. NADPH is used to oxidize the fatty acid, creating more double bonds for isomerase action.
• C. NADPH is converted to NADP+, which then acts as an oxidizing agent.
• D. NADPH reduces double bonds, allowing isomerase to reposition them for effective beta oxidation.

Answer: (D)