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Unsaturated fatty acids have lower melting points than saturated fatty acids because
the cis double bonds give them an irregular shape
Which of the following is an unsaturated fatty acid?
B) oleic ***
Margarine containing partially hydrogenated soybean oil is solid because
some of its double bonds have been converted to single bonds.
The products of the acid catalyzed hydrolysis of a fat are
A) the esters of fatty acids.
B) fatty acids and glycerol ***
C) salts of fatty acids.
D) salts of fatty acids and glycerol.
A fatty acid salt can act as a soap to remove grease because
the nonpolar tails of the salt dissolve in the grease and the polar salt ends dissolve in water
Glycerophospholipids can interact both with other lipids and water because they contain
polar regions and nonpolar regions
Which of the following is not a lipoprotein that carries nonpolar lipids through the bloodstream?
The steroid hormone that increases the blood glucose and glycogen levels from fatty acids and amino acids is
In the fluid-mosaic model that describes cell membranes
two layers of glycerophospholipid molecules have their nonpolar sections oriented to the inside of the membrane
A double cheeseburger with bacon contains 39 g of fat. Calculate the number of kilocalories from fat. (1 gram of fat = 9 kcal).
350 kcal from fat
According to the fluid-mosaic model of a cell membrane, the main component of a membrane is
a lipid bilayer.
In a simple model of atherosclerosis and heart disease, the compound that forms plaques that adhere to the walls of the blood vessels is ________.
The name of the reaction that occurs when a fat reacts with sodium hydroxide and water is ________.
In the fluid-mosaic model of cell membranes, the glycerophospholipid molecules are oriented with their heads to the outside of the membrane.
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