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

Previous problemNext problem

Struggling with Organic Chemistry?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

Which of the following statements accurately describes when the Calvin cycle is occurring in plants?

The Calvin cycle occurs during the day when light is available.

The Calvin cycle occurs only in the presence of oxygen.

The Calvin cycle occurs only during the winter months.

The Calvin cycle occurs only at night when photosynthesis is inactive.

Previous problemNext problem

Verified step by step guidance

Understand the Calvin cycle: The Calvin cycle is a series of biochemical reactions that occur in the stroma of chloroplasts in photosynthetic organisms. It is part of the process of photosynthesis, specifically the light-independent reactions.

Identify the conditions required for the Calvin cycle: The Calvin cycle requires ATP and NADPH, which are produced during the light-dependent reactions of photosynthesis. Therefore, it typically occurs when light is available.

Evaluate the statement about oxygen: The Calvin cycle does not require oxygen to proceed. It is independent of oxygen presence, focusing instead on carbon fixation.

Consider the timing of the Calvin cycle: The cycle does not depend on the time of year, such as winter months, nor does it occur exclusively at night. It is linked to the availability of light, as the products of the light-dependent reactions are necessary for the Calvin cycle.

Conclude with the correct statement: The Calvin cycle occurs during the day when light is available, as this is when the light-dependent reactions provide the necessary ATP and NADPH for the cycle to proceed.