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 of the following statements about lipids is correct?

Lipids are polymers made up of nucleotide monomers.

Lipids are not considered polymers because they are not composed of repeating monomer units.

Lipids are polymers made up of amino acid monomers.

Lipids are polymers made up of monosaccharide monomers.

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Verified step by step guidance

Step 1: Begin by understanding the definition of lipids. Lipids are a diverse group of hydrophobic molecules, including fats, oils, phospholipids, and steroids. They are primarily composed of carbon, hydrogen, and oxygen atoms.

Step 2: Recall the definition of a polymer. Polymers are large molecules made up of repeating monomer units that are covalently bonded together. Examples include proteins (made of amino acids), nucleic acids (made of nucleotides), and polysaccharides (made of monosaccharides).

Step 3: Analyze the structure of lipids. Unlike polymers, lipids are not composed of repeating monomer units. Instead, they are formed from smaller components such as glycerol and fatty acids, which are assembled into larger structures like triglycerides or phospholipids.

Step 4: Evaluate the incorrect statements in the problem. Lipids are not made up of nucleotide monomers, amino acid monomers, or monosaccharide monomers. These descriptions apply to nucleic acids, proteins, and polysaccharides, respectively.

Step 5: Conclude that the correct statement is: 'Lipids are not considered polymers because they are not composed of repeating monomer units.' This aligns with the structural and functional characteristics of lipids.