Lipid Practice Problems

Question 1:

Draw the triacylglycerol composed of glycerol and lauric acid.
Lauric Acid = CH3(CH2)10CO2H
Glycerol = CH2OHCHOHCH2OH

Problem solution


Question 2:

The following triacylglycerol is treated with excess H2 and Pd.



Part A

How many moles of H2 can react with one mole of the triacylglycerol?

Zero One Two Three Four Five Six

Part B

Draw the structure of the product.

Part C

What change in physical properties will be observed as this reaction takes place?

Solution (Parts B and C only)
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Question 3:

Unsaturated fats are preferred over saturated fatty acids for nutritional reasons. Would you expect a deep sea fish (living in cold water) or a shallow water fish (living in warmer water) to have a higher percentage of unsaturated fatty acids in its tissues?

A deep sea fish A shallow water fish


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Question 4:

Check any statements in the following list that are TRUE. All comments concern the fluid mosaic membrane model


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Last modified 4/21/97


Abby Parrill
Department of Chemistry
Michigan State University

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