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Which of the following is not a function of glycerophospholipids?


A) transport of triacylglycerols
B) regulation of cellular permeability
C) protect nerve cells
D) aid in digestion
E) transport of cholesterol

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Prostaglandins are formed from ________ acid.


A) oleic
B) linoleic
C) arachidonic
D) tauric
E) palmitic

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Palmitic acid is a 16 carbon acid.In a balanced equation,the products of the saponification of tripalmitin (glyceryl tripalmitate) are ________.


A) Palmitic acid is a 16 carbon acid.In a balanced equation,the products of the saponification of tripalmitin (glyceryl tripalmitate) are ________. A) B) C) D) E)
B) Palmitic acid is a 16 carbon acid.In a balanced equation,the products of the saponification of tripalmitin (glyceryl tripalmitate) are ________. A) B) C) D) E)
C) Palmitic acid is a 16 carbon acid.In a balanced equation,the products of the saponification of tripalmitin (glyceryl tripalmitate) are ________. A) B) C) D) E)
D) Palmitic acid is a 16 carbon acid.In a balanced equation,the products of the saponification of tripalmitin (glyceryl tripalmitate) are ________. A) B) C) D) E)
E) Palmitic acid is a 16 carbon acid.In a balanced equation,the products of the saponification of tripalmitin (glyceryl tripalmitate) are ________. A) B) C) D) E)

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Compared to saturated fatty acids,unsaturated fatty acids have ________.


A) longer carbon chains
B) shorter carbon chains
C) higher melting points
D) lower melting points
E) greater intermolecular attraction

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Answer the following question(s) about the diagram shown below. Answer the following question(s) about the diagram shown below. -In this diagram of a cell membrane,the objects labeled (E) are ________. A) steroids B) hydrophobic regions C) proteins D) glycerophospholipids E) carbohydrate side chains -In this diagram of a cell membrane,the objects labeled (E) are ________.


A) steroids
B) hydrophobic regions
C) proteins
D) glycerophospholipids
E) carbohydrate side chains

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Answer the following question(s) about the diagram shown below. Answer the following question(s) about the diagram shown below. -In this diagram of a cell membrane,the object labeled (C) is a ________. A) steroid B) protein C) glycerophospholipid D) mitochondrion E) carbohydrate side chain -In this diagram of a cell membrane,the object labeled (C) is a ________.


A) steroid
B) protein
C) glycerophospholipid
D) mitochondrion
E) carbohydrate side chain

Correct Answer

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Lipids are compounds that are soluble in ________.


A) distilled water
B) normal saline solution
C) glucose solution
D) chloroform
E) oxygen

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A) steroid B) glycerophospholipid C) wax D) triacylglycerol E) prostaglandin


A) steroid
B) glycerophospholipid
C) wax
D) triacylglycerol
E) prostaglandin

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Answer the following question(s) about the diagram shown below. Answer the following question(s) about the diagram shown below. -In this diagram of a cell membrane,the object labeled (B) is a ________. A) steroid B) hydrophobic region C) membrane protein D) phospholipid bilayer E) carbohydrate side chain -In this diagram of a cell membrane,the object labeled (B) is a ________.


A) steroid
B) hydrophobic region
C) membrane protein
D) phospholipid bilayer
E) carbohydrate side chain

Correct Answer

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In a simple model of atherosclerosis and heart disease,the compound that forms plaques that adhere to the walls of the blood vessels is ________.


A) cholesterol
B) carnauba wax
C) stearic acid
D) glycerol
E) oleic acid

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The catalyst needed for saponification is The catalyst needed for saponification is ion. ion.

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The type of lipid that gives a cell membrane its structure is a ________.


A) triacylglycerol
B) glycerophospholipid
C) prostaglandin
D) fatty acid
E) wax

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Synthesis of cholesterol takes place in the ________.


A) liver
B) gall bladder
C) small intestine
D) large intestine
E) pancreas

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Stearic acid is a saturated fatty acid.

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Which of the following lipids will give a single molecule of fatty acid when hydrolyzed?


A) wax
B) fat
C) glycerophospholipid
D) steroid
E) petroleum

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Cholesterol is a lipid.

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The components in the following glycerophospholipid are ________. The components in the following glycerophospholipid are ________. A) sphingosine,palmitic acid,phosphate,and choline. B) sphingosine,palmitic acid,phosphate,and serine. C) glycerol,palmitic acid,phosphate,and ethanolamine. D) glycerol,palmitic acid,phosphate,and galactose. E) sphingosine,palmitic acid,phosphate,and ethanolamine.


A) sphingosine,palmitic acid,phosphate,and choline.
B) sphingosine,palmitic acid,phosphate,and serine.
C) glycerol,palmitic acid,phosphate,and ethanolamine.
D) glycerol,palmitic acid,phosphate,and galactose.
E) sphingosine,palmitic acid,phosphate,and ethanolamine.

Correct Answer

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Which of the following is an unsaturated fatty acid?


A) myristic
B) oleic
C) palmitic
D) stearic
E) lauric

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According to the fluid-mosaic model of a cell membrane,the main component of a membrane is ________.


A) a lipid bilayer.
B) a membrane protein
C) fatty acid
D) a steroid
E) a prostaglandin

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In the fluid-mosaic model of cell membranes,the phospholipid molecules are oriented with their heads to the outside of the membrane.

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