Exam (elaborations)
Biochemistry MCQs Lipids Metabolism
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Biochemistry MCQs Lipids Metabolism
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LIPIDS1. The following are essential amino acids:
a) Linoleic acid and Palmitic acid
b) Palmitic acid and Archidonic acid
c) Linolenic acid and Linoleic acid
d) Stearic acid and Linolenic acid
e) Linoleic acid and Arachidonic acid
2. Arachidonic Acid:
a) Is a branched fatty acid
b) Contains 3 double bonds
c) Is a precursor for eicosanoids
d) Contains 5 double bonds
e) Is a 20-carbon saturated fatty acid
3. A membrane phospholipids that contains glycerol is:
a) Phosphatidyl Choline
b) Sphingomyelin
c) Cerebroside
d) Ganglioside
e) Ceramide
4. Lipids are important in the human body because they act as:
a) Enzymes
b) Immune molecules
c) Lubricants
d) Stored genetic information
e) Energy source
5. The following compound is a simple lipid
a) Methionine
b) Lecithin
c) Cholesterol
d) Triacylglycerol
e) Amylopectin
6. Fatty acids:
a) Are always dicarboxylic
b) Are only composed of an even number of C atoms
c) Are obtained from the hydrolysis of triacylglycerol
d) Contains glycerol
e) Are the only components of cell membrane lipids
, 7. The following are saturated fatty acids:
a) Linoleic acid and archidic acid
b) Palmitic acid and stearic acid
c) Linolenic acid and myristic acid
d) Stearic acid and linolenic acid
e) Oleic acid and lauric acid
8. Arachidonic acid is:
a) The same as arachidic acid
b) Essential fatty acid
c) The precursor of prostaglandins
d) Not found in membrane lipids
e) Is a 22-carbon compound
9. Membrane phospholipids which contain glycerol include:
a) Lecithin and cardiolipin
b) Sphingomyelin and lecithin
c) Cerebroside and Phosphatidyl serine
d) Cardiolipin and gangliosides
e) Ceramide and phosphatidyl inosital
10. Lipids are important in the human body because they act as:
a) Enzymes and hormones
b) Hormones and energy source
c) Coenzyme and enzymes
d) Stored genetic information
e) Energy source and lubricants
11. The following are derived lipids:
a) Vitamin D and methionine
b) Lecithin and cholesterol
c) Cholesterol and palmitic acid
d) Dolicol and coenzyme Q
e) Amylopectin and prostaglandins
12. Structural lipids include:
a) Gangliosides and aminoglycosides
b) Cerebrosides and cholesterol
c) Phenylaline and phosphatidylserine
d) Phosphatidylserine and glucosamine
e) Glycosaminoglycans and proteoglycans
13. Lipids are stored in mammalian tissues:
a) Starch
b) Triacylglycerol
c) Cholesterol
d) Estrogen
e) Fatty acids
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