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

Nitrogen is a critical component of which of the following classes of organic compounds?

Steroids

Fatty acids

Carbohydrates

Amino acids

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Verified step by step guidance

Understand the role of nitrogen in organic compounds: Nitrogen is a key element found in certain classes of organic compounds, particularly those involved in biological processes such as proteins and nucleic acids.

Review the structure of amino acids: Amino acids are the building blocks of proteins and contain an amino group (-NH₂), which includes nitrogen. This distinguishes them from other classes of organic compounds.

Compare amino acids with the other options: Steroids, fatty acids, and carbohydrates do not typically contain nitrogen as a fundamental component of their structure. Steroids are derived from cholesterol, fatty acids are long hydrocarbon chains, and carbohydrates are composed of carbon, hydrogen, and oxygen.

Recognize the importance of nitrogen in amino acids: Nitrogen is essential for forming the peptide bonds that link amino acids together in proteins, making it a defining feature of this class of organic compounds.

Conclude that amino acids are the correct answer: Based on the presence of nitrogen in their structure and their biological significance, amino acids are the class of organic compounds that rely on nitrogen as a critical component.