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

Why does polyploidy lead to sympatric speciation in plants?

Polyploidy results in reproductive isolation due to differences in chromosome numbers.

Polyploidy enhances the ability of plants to survive in extreme environmental conditions.

Polyploidy allows plants to produce more flowers and attract more pollinators.

Polyploidy increases genetic diversity by introducing new alleles from different species.

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Verified step by step guidance

Understand the concept of polyploidy: Polyploidy refers to the condition in which an organism has more than two complete sets of chromosomes. This is common in plants and can occur due to errors in cell division.

Explore how polyploidy leads to reproductive isolation: When a plant becomes polyploid, it has a different number of chromosomes compared to its parent species. This difference can prevent successful breeding with the original species, leading to reproductive isolation.

Consider the role of sympatric speciation: Sympatric speciation occurs when new species evolve from a single ancestral species while inhabiting the same geographic region. Polyploidy can facilitate this by creating genetic barriers within the same environment.

Examine the environmental advantages of polyploidy: Polyploid plants often have increased vigor and can survive in more extreme conditions due to their genetic makeup, which can contribute to their success and speciation.

Assess the impact on genetic diversity: Polyploidy can increase genetic diversity by introducing new alleles, which may arise from hybridization events between different species, further promoting speciation.