A triglyceride (also known as a triacylglycerol)

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Question: A triglyceride (also known as a triacylglycerol)

Option 1: 'All of the answers are correct' — This statement asserts that every listed attribute about triglycerides is true. Since triglycerides are indeed fats, store fatty acids in a non-toxic manner, and consist of three fatty acids attached to a glycerol backbone, this option is consistent with established biochemistry.

Option 2: 'is known as fat' — Triglycerides are the primary form of dietary and stored fat in animals. They accumulate in adipose tissue and serve as an energy reserve, so this characterization is correct.

Option 3: 'is a non-toxic way to store fatty acids' — Storing fatty acids as triglycerides in fat tissue is considered a safe, non-toxic reservoir. The esterification of fatty acids into triglycerides prevents free fatty acids from exerting harmful effects and buffers energy supply, making this statement accurate.

Option 4: 'has 3 fatty acids attached' — By definition, a triglyceride is a glycerol molecule bound to three fatty acid chains via ester bonds. This structural description is correct.

Putting these analyses together, each of the individual statements (Options 2, 3, and 4) is true, and they collectively support the overall claim in Option 1 that all of the answers are correct. The reasoning here aligns with core concepts of lipid biology: triglycerides as fat storage molecules composed of three fatty acids linked to glycerol, functioning as a safe, non-toxic energy reservoir.

11:709:255:01 NUTRITION AND HEALTH Lecture Quiz 5 - Lipids Part I - Spring 2025

A triglyceride (also known as a triacylglycerol)

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