Which of the following biological roles is primarily associated with lecithin, a low molecular weight organic compound found in cell membranes?
Energy storage
Maintaining cell membrane structure
Catalyzing enzymatic reactions
Genetic information storage
Related Questions
Which of the following substances are NOT examples of polymers?
Proteins
Nucleic acids
Polysaccharides
Lipids
A lipid molecule formed by the esterification of glycerol with three fatty acids is known as a:
Monoglyceride
Diglyceride
Triglyceride
Phospholipid
Which lipid acts as a precursor for both prostaglandins and leukotrienes?
Linoleic acid
Palmitic acid
Arachidonic acid
Oleic acid
Arachidonic acid is
A saturated fatty acid
An omega-3 fatty acid
An omega-6 fatty acid
A carbohydrate
Tay-Sachs disease is caused by a deficiency in the enzyme hexosaminidase A. This leads to the accumulation of which lipid in the brain?
Cerebroside
Sphingomyelin
GM2 ganglioside
Phosphatidylcholine
Which lipid is a major component of cell membranes?
Triglycerides
Cholesterol
Waxes
Phospholipids
Identify the non-polymeric substance from the following options.
Proteins
RNA
Starch
Fats
Hydrolysis of lipid yields?
Fats
Fatty acids and glycerol
Mannose and glycerol
Maltose and fatty acids
Fatty acids with no double bonds are called:
Unsaturated
Polyunsaturated
Saturated
Hydrogenated
Steroid hormones are similar in structure to?
Tryosine
Cholestrol
Co-enzyme A
Glycerol
