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 of the following is a requirement for a compound to be classified as a vitamin?

It must be synthesized in large amounts by the human body.

It must be a structural component of cell membranes.

It must be an organic compound required in small amounts for normal metabolism and cannot be synthesized in sufficient quantities by the organism.

It must be a source of energy for the body.

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Verified step by step guidance

Step 1: Begin by understanding the definition of a vitamin. Vitamins are organic compounds that are essential for normal metabolism and must be obtained from the diet because the body cannot synthesize them in sufficient quantities.

Step 2: Analyze the options provided in the question. Evaluate each statement to determine if it aligns with the definition of a vitamin.

Step 3: Option 1 states that vitamins must be synthesized in large amounts by the human body. This is incorrect because vitamins are not synthesized in sufficient quantities by the body and must be obtained externally.

Step 4: Option 2 states that vitamins must be structural components of cell membranes. This is incorrect because vitamins primarily function as coenzymes or cofactors in metabolic processes, not as structural components.

Step 5: The correct answer is the statement that vitamins are organic compounds required in small amounts for normal metabolism and cannot be synthesized in sufficient quantities by the organism. This aligns with the definition of a vitamin.