LIPIDS
MULTIPLE CHOICE QUESTIONS
1
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC
2
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC
3
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC
4
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC
5
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC
6
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC
7
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC
8
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC
9
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC
SHORT ANSWER QUESTIONS
74. Unlike carbohydrates and proteins, which are defined in terms of their structures, lipids are defined in
Physical operation used to isolate them
terms of _____________.
75. Saturated fatty acids pack efficiently. Therefore the corresponding triacylglycerols tend to be
Solid
Fats
__________
at room temperature and are called __________.
76. Unsaturated fatty acids have a bend in the carbon chain that interferes with packing. Therefore the
Liquid
corresponding triacylglycerols are generally __________
at room temperature and are called _______.
Oils
Energy storage
77. The primary function of triacylglycerols (triglycerides) in animals is _____________.
78. Salts of long-chain fatty acids are known as ___________.
Soap
81. There are three major classes of sex hormones:
Estrogens
a. female sex hormones [or ____________]
Androgens
b. male sex hormones [or ____________]
c. pregnancy hormones [or ______________]
Progestrogen
82. Sphingolipids, proteins, and polysaccharides make up ___________,
the protective coating around
Myelin
nerve fibers.
84. Myelin, the protective coating around nerve fibers, is made up of ___________.
Look at 82
85. The characteristic odor of rancid butter is attributed to The
___________.
released of butyric acid during decomposition
86. In naturally occurring polyunsaturated fatty acids, the relative position of double bonds is rarely
___________.
Conjugated
Cardiovascular disease
87. There is growing evidence that “trans” fats are associated with an increased risk of ___________, and
the FDA now requires “trans fat” information to be provided on nutrition labels.
88. In naturally occurring polyunsaturated fatty acids, the stereochemistry of the double bonds is rarely
___________.
89. Prolonged heating of naturally occurring polyunsaturated fats may cause the stereochemistry of the
double bonds to change from ___________.
Cis-to trans90. Most waxes, commonly found as protective coatings on skin, fur, hair, leaves, fruits, etc., are
____________.
Esters of long chain fatty acids & long chain alcohols
----------The End----------
10
Long P. Lieu (Mr.)
International University, Vietnam National University – HCMC