Table of contents

1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 38m
5. BONUS: Mathematical Operations and Functions48m
6. Chemical Quantities & Aqueous Reactions3h 53m
7. Gases3h 49m
8. Thermochemistry2h 37m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 9m
11. Bonding & Molecular Structure3h 29m
12. Molecular Shapes & Valence Bond Theory1h 57m
13. Liquids, Solids & Intermolecular Forces2h 23m
14. Solutions3h 1m
15. Chemical Kinetics2h 53m
16. Chemical Equilibrium2h 29m
17. Acid and Base Equilibrium5h 1m
18. Aqueous Equilibrium4h 47m
19. Chemical Thermodynamics1h 50m
20. Electrochemistry2h 42m
21. Nuclear Chemistry2h 36m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

6. Chemical Quantities & Aqueous Reactions

Redox Reactions

General Chemistry

6. Chemical Quantities & Aqueous Reactions

Redox Reactions

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Multiple Choice

Which electron carrier delivers electrons to the electron transport chain in redox reactions?

NADH

ATP

CO2

FAD

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Verified step by step guidance

Identify the role of electron carriers in cellular respiration, specifically in the electron transport chain (ETC). Electron carriers are molecules that transport electrons during cellular respiration.

Understand that NADH and FADH2 are the primary electron carriers that deliver electrons to the electron transport chain. These molecules are reduced forms of NAD+ and FAD, respectively.

Recall that NADH is produced during glycolysis and the Krebs cycle, and it carries electrons to the electron transport chain, where it is oxidized back to NAD+.

Recognize that FADH2 is another electron carrier that is produced during the Krebs cycle and also delivers electrons to the electron transport chain, where it is oxidized back to FAD.

Conclude that among the given options, NADH and FAD are the electron carriers that deliver electrons to the electron transport chain, with NADH being the correct answer as it is explicitly listed as an option.