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

1. Introduction to Biochemistry

Lipids

Biochemistry

1. Introduction to Biochemistry

Lipids

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Multiple Choice

Which of the following best describes the structural features of storage lipids?

They consist of a glycerol backbone with two fatty acids and a phosphate group.

They are composed of long chains of amino acids linked by peptide bonds.

They are primarily triacylglycerols composed of three fatty acids esterified to a glycerol backbone.

They contain a four-ring steroid nucleus with various functional groups attached.

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Verified step by step guidance

Step 1: Begin by identifying the key structural features of storage lipids. Storage lipids are primarily triacylglycerols, which are composed of three fatty acids esterified to a glycerol backbone.

Step 2: Compare the structural features of triacylglycerols with the other options provided. For example, the option mentioning a glycerol backbone with two fatty acids and a phosphate group describes phospholipids, not storage lipids.

Step 3: Eliminate the option describing long chains of amino acids linked by peptide bonds, as this refers to proteins, not lipids.

Step 4: Exclude the option mentioning a four-ring steroid nucleus with various functional groups attached, as this describes steroids, not storage lipids.

Step 5: Conclude that the correct description of storage lipids is triacylglycerols composed of three fatty acids esterified to a glycerol backbone, as this matches the structural features of storage lipids.