So in this video, we're going to learn the distinction between a saturated versus an unsaturated fatty acid. Now, when we say saturated, these are the fatty acids that contain only carbons single bonded to carbons. When we say unsaturated, these are the fatty acids containing at least one carbon double bonded to a carbon. So again, saturated, they're all single bonded to one another. In an unsaturated, there are at least two carbons double bonded to each other. Now, mono- and poly- prefixes indicate one and multiple double bonds respectively. Mono- meaning one, poly- meaning many. We're going to say here, naturally occurring fatty acids contain what we call cis double bonds. Remember, cis means same side. This is different from trans which means opposite side. If we take a look here, we have a saturated fatty acid in the form of lauric acid. Here, it's this portion that we're looking at in terms of saturation. It's just a bunch of carbons single bonded to each other, and that's why it is a saturated fatty acid. Below it, we have Oleic Acid and Linoleic Acid. Linoleic Acid, an unsaturated fatty acid. And we're going to say here that linoleic acid, it has two double bonds so it would be polyunsaturated. Also remember, if we look at the double bond, we would say that this bond points down, this bond points down, they're on the same side pointing the same direction that's why it's cis. Same with this one. Here goes our double bond here, double bond here, and the bonds coming off are pointing in the same direction down. These would be two cis bonds. Okay. So that's what we mean by cis in nature. Right? So remember, when we say saturated that means that the hydrocarbon tail, the non-polar portion has no double bonds. It's all single bonded carbons to one another. If it is unsaturated, there's at least one double bond somewhere on this hydrocarbon tail, where two carbons are double bonded to each other. Alright. So just keep that in mind.
Table of contents
- 1. Matter and Measurements4h 29m
- What is Chemistry?5m
- The Scientific Method9m
- Classification of Matter16m
- States of Matter8m
- Physical & Chemical Changes19m
- Chemical Properties8m
- Physical Properties5m
- Intensive vs. Extensive Properties13m
- Temperature (Simplified)9m
- Scientific Notation13m
- SI Units (Simplified)5m
- Metric Prefixes24m
- Significant Figures (Simplified)11m
- Significant Figures: Precision in Measurements7m
- Significant Figures: In Calculations19m
- Conversion Factors (Simplified)15m
- Dimensional Analysis22m
- Density12m
- Specific Gravity9m
- Density of Geometric Objects19m
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- 2. Atoms and the Periodic Table5h 23m
- The Atom (Simplified)9m
- Subatomic Particles (Simplified)12m
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- Ions (Simplified)22m
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- Solutions6m
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- The Colligative Properties15m
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- 10. Acids and Bases3h 29m
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- Gas Evolution Equations (Simplified)6m
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- Buffers25m
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- Strong Acid Strong Base Titrations (Simplified)10m
- 11. Nuclear Chemistry56m
- BONUS: Lab Techniques and Procedures1h 38m
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- 12. Introduction to Organic Chemistry1h 34m
- 13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
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- Intro to Carbohydrates4m
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- D vs L Enantiomers8m
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- 21. The Generation of Biochemical Energy2h 8m
- 22. Carbohydrate Metabolism2h 22m
- 23. Lipids2h 26m
- Intro to Lipids6m
- Fatty Acids25m
- Physical Properties of Fatty Acids6m
- Waxes4m
- Triacylglycerols12m
- Triacylglycerol Reactions: Hydrogenation8m
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- Glycerophospholipids15m
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- Steroids15m
- Cell Membranes7m
- Membrane Transport10m
- 24. Lipid Metabolism1h 45m
- 25. Protein and Amino Acid Metabolism1h 37m
- 26. Nucleic Acids and Protein Synthesis2h 54m
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- Nitrogenous Bases16m
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- Phosphodiester Bond Formation7m
- Primary Structure of Nucleic Acids11m
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- DNA Double Helix6m
- Intro to DNA Replication20m
- Steps of DNA Replication11m
- Types of RNA10m
- Overview of Protein Synthesis4m
- Transcription: mRNA Synthesis9m
- Processing of pre-mRNA5m
- The Genetic Code6m
- Introduction to Translation7m
- Translation: Protein Synthesis18m
23. Lipids
Fatty Acids
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