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

Gram for gram, the largest amount of energy can be stored in the body in the form of:

Glycogen

Nucleic acids

Proteins

Triglycerides (fats)

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Verified step by step guidance

Understand the concept of energy storage in the body: The body stores energy in different macromolecules, including glycogen, nucleic acids, proteins, and triglycerides (fats). Each of these has a different energy density and storage capacity.

Recall the energy density of macromolecules: Triglycerides (fats) have the highest energy density, providing approximately 9 kcal per gram, compared to proteins and carbohydrates (like glycogen), which provide about 4 kcal per gram. Nucleic acids are not primarily used for energy storage.

Consider the storage efficiency: Triglycerides are hydrophobic and do not require water for storage, making them more compact and efficient for long-term energy storage compared to glycogen, which is stored with water and takes up more space.

Evaluate the biological role of each macromolecule: Glycogen is used for short-term energy storage, proteins are primarily used for structural and functional roles, and nucleic acids are involved in genetic information storage. Triglycerides are specialized for long-term energy storage.

Conclude that triglycerides (fats) are the most efficient form of energy storage in the body, both in terms of energy density and storage capacity, making them the correct answer to the question.