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Chapter 15: Q. 15.3 (page 510)

What are some functions of lipids in the body?

Short Answer

Expert verified

Hormonal lipids function as chemical messengers.

They are the primary structural components of cell membranes.

Step by step solution

01

An Introduction

Lipids are an organic chemical class that is largely insoluble in water. Lipids are molecules that are composed mostly of carbon, hydrogen, and oxygen and are composed of fats and oils. Triacylglycerols, phospholipids, and sterols are the three primary forms of lipids.

02

Determine the functions of the lipids.

Lipids perform the following roles in the body:

They are energy-rich dietary components that offer energy while fasting.

They shield the internal organs from mechanical harm.

They keep the internal organs warm.

Hormonal lipids function as chemical messengers.

They are the primary structural components of cell membranes.

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Most popular questions from this chapter

A sink drain can become clogged with solid fat such as glyceryl tristearate (tristearin)

a. How would adding lye NaOHto the sink drain remove the blockage?

b. Write a balanced chemical equation for the reaction that occurs.

c. How many milliliters of a 0.500MNaOHsolution are needed to completely react with 10.0gof glyceryl tristearate (tristearin)?

Identify each of the following as a saturated, monounsaturated, polyunsaturated, omega-3, or omega-6fatty acid:

(a)

(b) linoleic acid

(c)

Because peanut oil floats on the top of peanut butter, the peanut oil in many brands of peanut butter is hydrogenated and the solid is mixed into the peanut butter to give a product that does not separate. If a triacylglycerol in peanut oil that contains one oleic acid and two linoleic acids is completely hydrogenated, draw the condensed structural formula for the product.

What is the difference in the location of the first double bond in an omega-3and an omega-6-fatty acid (see Chemistry Link to Health "Omega-3-Fatty Acids in Fish Oils")?

How do chylomicrons differ from VLDL?
See all solutions

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