Lipids Biochemistry worksheet

1. Arrange the following fatty acids in order from lowest melting point to highest: myristic acid, arachidonic acid, linolenic acid, stearic acid, oleic acid. You can find the structures in our Libre text or in-class homework activity. What do the highest have in common? What do the lowest have in common?

2. There is a wide range of oils and fats used in the culinary arts. Arrange the following in order from least saturated to most saturated: corn oil, lard, butter, canola oil, olive oil, coconut oil.

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Examine the membrane lipid pictured below and answer the following questions. O -0- H HN- -C H HC- -0 HC-0 0CH2 -(CH2) 10CH 3 -(CH2) 10CH 3 a. Is this lipid classified as a phospholipid or a glycolipid? Explain your answer in two sentences. (3 points) b. Is this lipid considered a sphingolipid or a glycerophospholipid? Justify your answer in two sentences. (3 points) c. What fatty acid chains are used in this lipid? Are they saturated or unsaturated? What functional group enables them to connect to the backbone? (3 points)