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

Essential Amino Acids

Biochemistry

3. Amino Acids

Essential Amino Acids

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Multiple Choice

Which of the following best describes the difference between essential and non-essential amino acids?

Essential amino acids contain sulfur atoms, whereas non-essential amino acids do not.

Essential amino acids are only found in plant-based foods, while non-essential amino acids are found in animal-based foods.

Essential amino acids are used only for energy production, while non-essential amino acids are used for protein synthesis.

Essential amino acids cannot be synthesized by the human body and must be obtained from the diet, while non-essential amino acids can be synthesized by the body.

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Verified step by step guidance

Understand the concept of amino acids: Amino acids are the building blocks of proteins, and they play critical roles in various biological processes. They are categorized into essential and non-essential amino acids based on the body's ability to synthesize them.

Define essential amino acids: Essential amino acids are those that the human body cannot synthesize on its own. Therefore, they must be obtained through dietary sources such as meat, eggs, dairy, and certain plant-based foods.

Define non-essential amino acids: Non-essential amino acids are those that the human body can synthesize internally, typically from other compounds or amino acids. This means they do not need to be obtained directly from the diet.

Clarify the distinction: The key difference is that essential amino acids must come from external sources (diet), while non-essential amino acids are produced by the body. This distinction is unrelated to sulfur content, food sources, or specific functions like energy production or protein synthesis.

Summarize the correct answer: The correct answer is that essential amino acids cannot be synthesized by the human body and must be obtained from the diet, whereas non-essential amino acids can be synthesized by the body.