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

What is Biochemistry?

Biochemistry

1. Introduction to Biochemistry

What is Biochemistry?

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Multiple Choice

Which statement correctly identifies the four major classes of biological macromolecules studied in biochemistry?

Amino acids, fatty acids, monosaccharides, and nucleotides

Enzymes, vitamins, minerals, and water

Sugars, salts, acids, and bases

Proteins, nucleic acids, carbohydrates, and lipids

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Verified step by step guidance

Step 1: Understand the concept of biological macromolecules. Biological macromolecules are large molecules essential for life, composed of smaller subunits. They play critical roles in structure, function, and regulation within cells.

Step 2: Identify the four major classes of biological macromolecules. These are proteins, nucleic acids, carbohydrates, and lipids. Each class has distinct functions and is made up of specific building blocks.

Step 3: Clarify the building blocks of each macromolecule: Proteins are made of amino acids, nucleic acids are composed of nucleotides, carbohydrates consist of monosaccharides, and lipids are primarily formed from fatty acids and glycerol.

Step 4: Compare the incorrect options to the correct answer. For example, 'Amino acids, fatty acids, monosaccharides, and nucleotides' refers to the building blocks, not the macromolecules themselves. Similarly, 'Enzymes, vitamins, minerals, and water' and 'Sugars, salts, acids, and bases' are not classifications of macromolecules.

Step 5: Conclude that the correct identification of the four major classes of biological macromolecules is proteins, nucleic acids, carbohydrates, and lipids, as these are fundamental to biochemistry and cellular function.