Table of contents

1. A Review of General Chemistry5h 5m
2. Molecular Representations1h 14m
3. Acids and Bases2h 46m
4. Alkanes and Cycloalkanes4h 17m
5. Chirality3h 39m
6. Thermodynamics and Kinetics1h 22m
7. Substitution Reactions1h 48m
8. Elimination Reactions2h 30m
9. Alkenes and Alkynes2h 9m
10. Addition Reactions3h 19m
11. Radical Reactions1h 58m
12. Alcohols, Ethers, Epoxides and Thiols2h 42m
13. Alcohols and Carbonyl Compounds2h 17m
14. Synthetic Techniques1h 26m
15. Analytical Techniques:IR, NMR, Mass Spect7h 3m
16. Conjugated Systems6h 13m
17. Ultraviolet Spectroscopy51m
18. Aromaticity2h 34m
19. Reactions of Aromatics: EAS and Beyond5h 1m
20. Phenols55m
21. Aldehydes and Ketones: Nucleophilic Addition4h 56m
22. Carboxylic Acid Derivatives: NAS2h 51m
23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides1h 10m
24. Enolate Chemistry: Reactions at the Alpha-Carbon1h 53m
25. Condensation Chemistry2h 9m
26. Amines1h 43m
27. Heterocycles2h 0m
28. Carbohydrates5h 53m
29. Amino Acids4h 20m
30. Peptides and Proteins2h 42m
31. Catalysis in Organic Reactions1h 30m
32. Lipids 2h 50m
33. The Organic Chemistry of Metabolic Pathways2h 52m
34. Nucleic Acids1h 32m
35. Transition Metals6h 14m
36. Synthetic Polymers1h 49m

1. A Review of General Chemistry

Intro to Organic Chemistry

Organic Chemistry

1. A Review of General Chemistry

Intro to Organic Chemistry

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Multiple Choice

In the context of organic chemistry, what is the primary role of NADPH molecules produced during noncyclic photophosphorylation?

They are used in the Calvin cycle for carbon fixation.

They are involved in the electron transport chain in cellular respiration.

They are stored as energy reserves in the form of glucose.

They are used to generate ATP in the mitochondria.

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Verified step by step guidance

Understand the context: NADPH is a crucial molecule in the process of photosynthesis, specifically in the light-dependent reactions known as noncyclic photophosphorylation.

Identify the primary role of NADPH: In photosynthesis, NADPH acts as a reducing agent, providing the necessary electrons and hydrogen ions for the Calvin cycle, which is the light-independent reaction where carbon fixation occurs.

Clarify the Calvin cycle: The Calvin cycle uses ATP and NADPH produced in the light-dependent reactions to convert carbon dioxide into glucose, a process known as carbon fixation.

Differentiate from other processes: NADPH is not directly involved in the electron transport chain of cellular respiration, nor is it stored as glucose or used to generate ATP in mitochondria. These processes involve different molecules and pathways.

Conclude with the correct role: The primary role of NADPH in the context of noncyclic photophosphorylation is to supply the reducing power needed for the Calvin cycle to synthesize carbohydrates from carbon dioxide.