Lipids

Multiple Choice

A lipid is any substance of biochemical origin that is

• soluble in water but insoluble in nonpolar solvents

• insoluble in water but soluble in nonpolar solvents

• soluble in both water and nonpolar solvents

• no correct response

Multiple Choice

Which of the following is not a biochemical function classification for lipids?

• membrane lipid

• messenger lipid

• emulsification lipid

• no correct response

Multiple Choice

The saponifiable/nonsaponifiable classification system for lipids is based on

• lipid behavior in acidic solution

• lipid behavior in basic solution

• ability of lipids to react with alcohols

• no correct response

Multiple Choice

In which of the following pairs of fatty acids are both members of the pair polyunsaturated fatty acids?

• 18:0 acid and 18:1 acid

• 18:1 acid and 18:2 acid

• 18:2 acid and 18:3 acid

• no correct response

Multiple Choice

Which of the following fatty acids is an omega-6 fatty acid?

Multiple Choice

the double bond present in a monounsaturated fatty acid almost always

• is in a cis-configuration

• involves the second carbon from the carboxyl end of the carbon chain

• involves the second carbon from the methyl end of the carbon chain

• no correct response

Multiple Choice

how many ester linkages are present in a triacylglycerol molecule?

• zero

• two

• four

• no correct response