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I’m working on a biochemistry practice test / quiz and need guidance to help me learn.

19.4 Would you expect lipids to be soluble or insoluble in each of the following solvents?

a. CH3(CH2)7CH3 (nonpolar)
b. CH3Cl (polar)
c. CCl4 (nonpolar)
d. CH3CH2OH (polar)

What is the biochemical function of each of the following types of lipids?
a. Triacylglycerols

b. Bile acids
c. Sphingoglycolipids

d. Eicosanoids

19.8 Classify each of the following fatty acids as long-chain, medium-chain, or short-chain.

a. Lauric (12:0) c. Butyric (4:0)

b. Oleic (18:1) d. Stearic (18:0)

19.10 Classify each of the following fatty acids as saturated, monounsaturated, or polyunsaturated.
a. Palmitic (16:0) b. Linoleic (18:2)
c. Arachidonic (20:4) d. Palmitoleic (16:1)

19.11 Structurally, what is the difference between a SFA and a MUFA?

19.12 Structurally, what is the difference between a MUFA and a PUFA?

19.13 With the help of Table 19.1, classify each of the acids in Problem 19.9 as an omega-3 acid, an omega-6 acid, or neither an omega-3 nor an omega-6 acid.

19.14 Classify each of the acids Stearic (18:0), Linolenic (18:3), Docosahexaenoic (22:6), and Oleic (18:1) as an omega-3 acid, an omega-6 acid, or neither an omega-3 nor an omega-6 acid.

19.15 Draw the condensed structural formula for the fatty acid whose numerical shorthand designation is 18:2 (D9,12).

19.16 Draw the condensed structural formula for the fatty acid whose numerical shorthand designation is 20:4 (D5,8,11,14).

19.33 and 19.34 (in the picture)

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