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 its first double bond at the sixth carbon from the methyl (omega) end?

Omega-9 fatty acid

Omega-3 fatty acid

Saturated fatty acid

Omega-6 fatty acid

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Verified step by step guidance

Understand the structure of fatty acids: Fatty acids are long hydrocarbon chains with a carboxyl group (-COOH) at one end and a methyl group (-CH₃) at the other end. The omega (ω) end refers to the methyl group.

Learn about the naming convention for omega fatty acids: Omega fatty acids are named based on the position of the first double bond relative to the omega (methyl) end of the chain. For example, an omega-6 fatty acid has its first double bond at the sixth carbon from the omega end.

Compare the options provided: Saturated fatty acids do not contain any double bonds, so they cannot be classified as omega fatty acids. Omega-3 fatty acids have their first double bond at the third carbon from the omega end, and omega-9 fatty acids have their first double bond at the ninth carbon from the omega end.

Identify the correct answer: Based on the definition, an omega-6 fatty acid contains its first double bond at the sixth carbon from the omega (methyl) end of the chain.

Conclude the reasoning: The correct answer is 'Omega-6 fatty acid' because it matches the description provided in the problem.