Exam 25: Lipids

Which best describes the lipid shown below?

Arrange the following fatty acids in order of increasing melting point: stearic acid, linolenic, linoleic, and oleic.

Provide the structure of the major organic compound that results when palmitic acid, CH₃(CH₂)₁₄CO₂H, is heated in methanol containing catalytic acid.

Provide the structure of the major organic compound that results when palmitic acid, CH₃(CH₂)₁₄CO₂H, is heated in ethanol containing catalytic acid.

Why are fats more efficient sources of long-term energy than carbohydrates?

How many molecules of fatty acid are needed to make one molecule of a cephalin?

In the formation of a triacylglyceride, what two functional groups chemically combine?

Which of the following is another name for a phosphatidyl choline?

Draw the structure of the product which results when the compound shown below is completely hydrogenated using excess H₂.

When a vegetable oil is partially hydrogenated, how is its structure altered and how is its melting point affected?

Provide the major organic product of the reaction shown below.

What organic compounds result when tristearin is heated in aqueous sodium hydroxide?

Circle all of the structural features of sodium glycocholate (bile salt) which are different from cholesterol, its parent compound, and explain why it behaves like a detergent.

________ lipids are those that can be easily hydrolyzed to simpler constituents.

Which of the following terms best describes the compound below? CH₃(CH₂)₂₆CO₂CH₂(CH₂)₃₂CH₃

Given a single triglyceride which contains three identical and fully saturated fatty acid residues, which of the following terms accurately describe(s) it?

Which of the following terms best describes the compound below?

Which of the following terms best describes the exterior surface of a soap micelle in water?

What does the term polyunsaturated mean when used to describe a triglyceride?

________ is the base-promoted hydrolysis of fats and oils.