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WorksheetsOrganic Chemistry: Lipids
Total questions: 15
Worksheet time: 7mins
Answer true or false to the following statement. The greater the degree of unsaturation in a fatty acid, the higher is its melting point.
True.
False.
Identify which of the following compounds is a phospholipid?
Lycopene.
Tristearin.
Lecithins.
PGF2.
Pentadecyl octadecanoate.
Which of the following compounds are lipids?
l-Threonine.
Lycopene.
Palmitic acid.
d-Mannose.
Testosterone.
Identify which of the following fatty acids is saturated.
Palmitic acid
Myristic acid
Arachidonic acid
Oleic acid
Linoleic acid
Identify which of the following fatty acids is unsaturated.
Palmitic acid
Oleic acid
Linoleic acid
Arachidonic acid
Lauric acid
Which of the following statements applies to triolein?
It is a solid at room temperature.
It undergoes hydrolysis to produce unsaturated fatty acids.
It is a complex lipid.
It is a wax.
It has a phosphate group.
Identify which of the following statements applies to tristearin:
It is a solid at room temperature.
It undergoes hydrolysis to produce unsaturated fatty acids.
It is a complex lipid.
It is a wax.
It has a phosphate group.
Which of the following molecules make up the basic structure of a cell membrane?
waxes
steroids
fatty acids
phospholipids
terpenoids.
Why are lipids insoluble in water?
lipids have carboxyl group.
lipids have a negative charge.
lipids may form a bilayer.
lipids don't form strong dipole-dipole or hydrogen bonds.
lipids are building blocks of proteins.
Which of the following is function of fats?
Protection of internal organs.
Insulation and temperature regulation.
Storage depots of chemical energy.
Chemical messengers.
Components from biological membranes.
Answer true or false to the following statement. All steroids have the same tetracyclic ring system in common.
True.
False.
Answer true or false to the following statement. Fatty acids with high melting points are called oils, while
fatty acids with low melting points are called fats.
True.
False.
Answer true or false to the following statement. Synthetic detergents are based on fatty acids where the carboxylate group has been replaced by a sulfonate group.
True.
False.
Answer true or false to the following statement. In fatty acids with C=C double bonds, the trans form of each double bond predominates.
True.
False.
Answer true or false to the following statement. The greater the degree of unsaturation in a fatty acid, the higher is its melting point.
True.
False.
