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Ch.15 Lipids
Timberlake - Chemistry: An Introduction to General, Organic, and Biological Chemistry 14th Edition
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Timberlake 14th EditionCh.15 Lipids문제 79d
15장, 문제 79d

 Identify each of the following as a fatty acid, soap, triacylglycerol, wax, glycerophospholipid, sphingolipid, or steroid:
d. glyceryl tripalmitate (tripalmitin)

검증된 단계별 안내
1
Step 1: Understand the structure of glyceryl tripalmitate (tripalmitin). It is a triacylglycerol, which consists of a glycerol backbone esterified with three fatty acid chains. In this case, the fatty acid is palmitic acid (a 16-carbon saturated fatty acid).
Step 2: Recall the definition of a triacylglycerol. A triacylglycerol is a lipid formed by the esterification of three fatty acids to a glycerol molecule. These are commonly found in fats and oils and serve as energy storage molecules in the body.
Step 3: Compare the structure of glyceryl tripalmitate to other lipid categories. It does not fit the structure of a fatty acid (a single carboxylic acid chain), soap (a salt of a fatty acid), wax (a long-chain alcohol esterified to a fatty acid), glycerophospholipid (contains a phosphate group), sphingolipid (contains a sphingosine backbone), or steroid (characterized by a four-ring structure).
Step 4: Confirm that glyceryl tripalmitate matches the characteristics of a triacylglycerol. It has a glycerol backbone and three fatty acid chains, which are the defining features of this lipid category.
Step 5: Conclude that glyceryl tripalmitate (tripalmitin) is classified as a triacylglycerol based on its structure and functional characteristics.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
2m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Triacylglycerol

Triacylglycerols, also known as triglycerides, are esters formed from glycerol and three fatty acids. They serve as a major form of energy storage in animals and plants. When the body requires energy, triacylglycerols are broken down into glycerol and fatty acids through hydrolysis.
추천 영상:
가이드 코스
1:52
Triacylglycerols Concept 1

Fatty Acid

Fatty acids are long hydrocarbon chains with a carboxylic acid group at one end. They can be saturated, containing no double bonds, or unsaturated, containing one or more double bonds. Fatty acids are key components of lipids, including triacylglycerols and phospholipids, and play crucial roles in metabolism and cell structure.
추천 영상:
가이드 코스
2:00
Fatty Acids Concept 1

Glycerol

Glycerol is a three-carbon alcohol that serves as the backbone for triacylglycerols and phospholipids. Each of its three hydroxyl groups can form an ester bond with fatty acids, resulting in the formation of lipids. Glycerol is also involved in various metabolic pathways, including glycolysis and gluconeogenesis.
추천 영상:
가이드 코스
1:20
Glycerol Metabolism Concept 2
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