2. 4C6C4C 2C6C5C4C CO 2 citrate acetyl CoA Count the electron carriers! 3C pyruvate reduction of electron carriers This happens twice for each glucose molecule x2x2 CO 2 NADH FADH 2 ATP

3. 4C6C4C 2C6C5C4C CO 2 citrate acetyl CoA Count the carbons! 3C pyruvate x2x2 oxidation of sugars This happens twice for each glucose molecule

4. NAD+ H+ UQ e- H+ e- C H+ e- 0 + 2H+ = H 2 O H+ ADP + Pi ATP C1 C3C4 ATP Synthase

5. FADH 2 modification NADH + H + NAD+ oxidation reduction FADH 2 FAD+ ADP + P i ATP QH 2 ½ O 2 H 2 O Q oxidized cytochrome c Cytochrome c oxidase NADH-Q reductase ATP synthase Cytochrome b, c 1 H+H+ H+H+ Succinate Q reductase http://highered.mcgraw- hill.com/sites/0072507470/student_view0/chapter25/animation__elec tron_transport_system_and_atp_synthesis__quiz_1_.html