Table of contents

1. Introduction to Biochemistry4h 34m
2. Water3h 23m
3. Amino Acids8h 10m
4. Protein Structure10h 4m
5. Protein Techniques14h 5m
6. Enzymes and Enzyme Kinetics13h 38m
7. Enzyme Inhibition and Regulation 8h 42m
8. Protein Function 9h 41m
9. Carbohydrates7h 49m
10. Lipids5h 49m
11. Biological Membranes and Transport 6h 37m
12. Biosignaling9h 45m
Review 1: Nucleic Acids, Lipids, & Membranes2h 47m
Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway3h 12m
Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism2h 26m
Review 4: Amino Acid Oxidation, Oxidative Phosphorylation, & Photophosphorylation1h 48m

10. Lipids

Fatty Acids

Biochemistry

10. Lipids

Fatty Acids

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Multiple Choice

Which type of fatty acid contains one or more C=C double bonds?

Trans fatty acids

Unsaturated fatty acids

Branched-chain fatty acids

Saturated fatty acids

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Verified step by step guidance

Understand the structure of fatty acids: Fatty acids are long hydrocarbon chains with a carboxylic acid group (-COOH) at one end. They can be classified based on the presence or absence of double bonds between carbon atoms in the chain.

Learn the definition of saturated fatty acids: Saturated fatty acids contain no C=C double bonds. All carbon atoms are fully 'saturated' with hydrogen atoms, resulting in a straight chain structure.

Learn the definition of unsaturated fatty acids: Unsaturated fatty acids contain one or more C=C double bonds. These double bonds introduce kinks or bends in the chain, affecting the physical properties of the fatty acid.

Understand the difference between trans fatty acids and unsaturated fatty acids: Trans fatty acids are a type of unsaturated fatty acid where the hydrogen atoms around the C=C double bond are on opposite sides, resulting in a straighter chain. Unsaturated fatty acids generally refer to both cis and trans configurations, but cis is more common in nature.

Identify the correct answer: Unsaturated fatty acids are the type of fatty acid that contains one or more C=C double bonds. This distinguishes them from saturated fatty acids, which lack double bonds, and branched-chain fatty acids, which have a different structural feature.