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

Lipids

Biochemistry

1. Introduction to Biochemistry

Lipids

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Multiple Choice

Which elements found in nucleic acids are also commonly found in lipids?

Phosphorus and nitrogen

Carbon and hydrogen

Sulfur and phosphorus

Nitrogen and oxygen

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Verified step by step guidance

Step 1: Begin by identifying the primary elements that make up nucleic acids. Nucleic acids, such as DNA and RNA, are composed of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P). These elements are essential for the structure of nucleotides, which are the building blocks of nucleic acids.

Step 2: Next, consider the composition of lipids. Lipids, such as fats, oils, and phospholipids, are primarily composed of carbon (C), hydrogen (H), and oxygen (O). Some specialized lipids, like phospholipids, also contain phosphorus (P). However, nitrogen (N) is not commonly found in lipids.

Step 3: Compare the elements found in nucleic acids and lipids. Both nucleic acids and lipids share carbon (C), hydrogen (H), and oxygen (O) as common elements. Phosphorus (P) is present in nucleic acids and some lipids (e.g., phospholipids), but nitrogen (N) is not typically found in lipids.

Step 4: Eliminate the incorrect options based on the comparison. 'Phosphorus and nitrogen' is incorrect because nitrogen is not commonly found in lipids. 'Sulfur and phosphorus' is incorrect because sulfur is not a major component of nucleic acids or lipids. 'Nitrogen and oxygen' is incorrect because nitrogen is not commonly found in lipids.

Step 5: Conclude that the correct answer is 'Carbon and hydrogen,' as these elements are commonly found in both nucleic acids and lipids.