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

A _____ is comprised of three fatty acids attached to glycerol.

steroid

triglyceride

phospholipid

glycolipid

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Verified step by step guidance

Understand the structure of the molecule described in the problem: A triglyceride is composed of three fatty acids attached to a glycerol backbone. This is a key feature of triglycerides in biochemistry.

Review the structure of other options provided: Steroids are composed of a four-ring structure and do not contain fatty acids or glycerol. Phospholipids consist of two fatty acids, a glycerol backbone, and a phosphate group. Glycolipids contain a carbohydrate group attached to a lipid, but not three fatty acids.

Compare the structural features of triglycerides with the description in the problem: The presence of three fatty acids attached to glycerol matches the definition of a triglyceride.

Eliminate incorrect options based on their structural differences: Steroids, phospholipids, and glycolipids do not fit the description provided in the problem.

Conclude that the correct answer is 'triglyceride' based on the structural match and biochemical definition.