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

Carbohydrates

Biochemistry

1. Introduction to Biochemistry

Carbohydrates

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Multiple Choice

Which of the following classes of macromolecules play a significant role in energy storage in biological systems?

Nucleic acids

Lipids

Proteins

Carbohydrates

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Verified step by step guidance

Step 1: Understand the role of macromolecules in biological systems. Macromolecules are large molecules essential for life, and they include nucleic acids, lipids, proteins, and carbohydrates. Each class has distinct functions.

Step 2: Analyze the energy storage function of each macromolecule. Nucleic acids primarily store genetic information and do not play a significant role in energy storage. Proteins are primarily involved in structural, enzymatic, and signaling functions rather than energy storage.

Step 3: Focus on lipids and carbohydrates. Lipids, such as triglycerides, are highly efficient for long-term energy storage due to their high energy density. Carbohydrates, such as glycogen and starch, are used for short-term energy storage and are readily accessible for metabolic processes.

Step 4: Compare lipids and carbohydrates. Lipids store energy in the form of fatty acids and are metabolized during periods of energy demand. Carbohydrates, on the other hand, are broken down into glucose for immediate energy needs.

Step 5: Conclude that lipids and carbohydrates are the two classes of macromolecules that play significant roles in energy storage in biological systems, with lipids being more suited for long-term storage and carbohydrates for short-term storage.