QUESTION 1
Which of the following types of lipids contains an amino alcohol as a component?
a) prostaglandins
b) waxes
c) glycerophospholipids
d) triacylglycerol

QUESTION 2
In which of the following types of lipids are both a phosphate ester bond and an amide bond present?
a) triacylglycerols
b) glycerophospholipids
c) bile salts
d) sphingomyelins

QUESTION 3
Glycerophospholipids can interact with both lipids and water because they can contain both_________and_________
a) glycerol, sphingosine
b) saturated fatty acids, unsaturated fatty acids
c) single bonds, double bonds
d) polar regions, nonpolar regions

QUESTION 4
Which of the following statements is incorrect?
a) both glycerophospholipids and sphingomyelins are components of cell membranes
b) sphingomyelins differ from glycerophospholipids by the presence of a phosphate-alcohol group
c) glycerophospholipids and sphigomyelins both have "head-and-two-tails" structures
d) glycerophospholipids differ structurally from triacylglycerols in the number of fatty acids present

QUESTION 5
In a glycerophospholipid, glycerol's three -OH groups are esterified with
a) three phosphoric acid molecules
b) one fatty acid, one phosphoric acid molecule, and one amino alcohol molecule
c) one fatty acid and two phosphoric acid molecules
d) two fatty acids and one phosphoric acid molecule

QUESTION 6
All lipids containing sphingosine also have present
a) two fatty acids participating in amide linkages
b) one fatty acid participating in an ester linkage
c) two fatty acids participating in ester linkages
d) one fatty acid participating in an amide linkage

QUESTION 7
Which of the following is a lipid?
a) lactose
b) nicotine
c) collagen
d) cephalin

QUESTION 8
Which of the following is not a function of glycerophospholipids?
a) aid in digestion
b) protect nerve cells
c) transport of triacylglycerols
d) regulation of cellular permeability

QUESTION 9
The main lipid components in cellular membranes are
a) steroids
b) triacylglycerols
c) glycerophospholipids
d) waxes

QUESTION 10
What phospholipid contains fatty acids but not glycerol?
a) lecithin
b) cephalin
c) sphingolipid
d) all of the above

QUESTION 1 Which of the following types of lipids contains an amin...