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

3. Amino Acids

Amino Acid Groups

Biochemistry

3. Amino Acids

Amino Acid Groups

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Multiple Choice

Which nutrient provides a major source of dietary sulfur?

Fatty acids such as linoleic acid

Nucleotides such as adenosine

Monosaccharides such as glucose

Sulfur-containing amino acids such as methionine and cysteine

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Verified step by step guidance

Understand that sulfur is an essential element in biochemistry, and it is primarily incorporated into the body through dietary sources.

Recognize that sulfur is a key component of certain amino acids, specifically methionine and cysteine, which are classified as sulfur-containing amino acids.

Recall that fatty acids, nucleotides, and monosaccharides do not contain sulfur as a major structural element, making them unlikely candidates for dietary sulfur sources.

Learn that methionine is an essential amino acid, meaning it must be obtained through the diet, while cysteine can be synthesized in the body from methionine.

Conclude that sulfur-containing amino acids, such as methionine and cysteine, are the major dietary sources of sulfur, as they directly contribute to sulfur metabolism and incorporation into proteins and other biomolecules.