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 two types of macromolecules are the main components of the myelin sheath?

Lipids and carbohydrates

Proteins and nucleic acids

Carbohydrates and nucleic acids

Lipids and proteins

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Verified step by step guidance

Step 1: Understand the structure and function of the myelin sheath. The myelin sheath is a protective layer that surrounds the axons of neurons, facilitating the rapid transmission of electrical signals in the nervous system.

Step 2: Recall the main components of the myelin sheath. The myelin sheath is primarily composed of lipids, which provide insulation, and proteins, which contribute to its structural integrity and function.

Step 3: Eliminate incorrect options based on the known composition of the myelin sheath. Carbohydrates and nucleic acids are not major components of the myelin sheath.

Step 4: Confirm that lipids and proteins are the correct answer. Lipids, such as phospholipids and cholesterol, form the bulk of the sheath, while proteins like myelin basic protein (MBP) play a role in its structure and stability.

Step 5: Conclude that the correct answer is 'Lipids and proteins,' as these are the two macromolecules that make up the myelin sheath.