During the Krebs Cycle, high-energy electrons and hydrogen ions are transferred to carrier molecules to form NADH and FADH2. What are the two other molecules released during the Krebs Cycle?

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple