Question 1

Outline the six steps required for the absorption and transport of dietary triacylglycerols.

Accepted Answer

(1)Triacylglycerols are emulsified by bi

Question 2

Soap traps dirt particles in

Accepted Answer

A)  triacylglycerols. 
B)  micelles. 
C)  steroids. 
D)  glycerophospholipids. 
A)  triacylglycerols. 
B)  micelles. 
C)  steroids. 
D)  glycerophospholipids.

Question 3

Which missing enzyme results in Niemann-Pick disease?

Accepted Answer

A)  phospholipase A2 
B)  sphingomyelinase 
C)    -galactosidase A 
D)  hexosaminidase A 
A)  phospholipase A2 
B)  sphingomyelinase 
C)    -galactosidase A 
D)  hexosaminidase A

Question 4

VLDLs are produced in

Accepted Answer

A)  liver cells. 
B)  intestinal epithelial cells. 
C)  stomach cells. 
D)  adipocytes. 
A)  liver cells. 
B)  intestinal epithelial cells. 
C)  stomach cells. 
D)  adipocytes.

Question 5

Why do long chain,saturated fatty acids have a higher melting point than unsaturated fatty acids?

Accepted Answer

Long chain,saturated fatty acids do not

Question 6

Mineralocorticoids and glucocorticoids are synthesized in the

Accepted Answer

A)  kidneys. 
B)  adrenal glands. 
C)  liver. 
D)  corpus luteum. 
A)  kidneys. 
B)  adrenal glands. 
C)  liver. 
D)  corpus luteum.

Question 7

Compared with the COX-2 enzyme,COX-1 has

Accepted Answer

A)  a larger active site. 
B)  a smaller active site. 
C)  a more elongated three-dimensional structure. 
D)  more  
-barrels. 
A)  a larger active site. 
B)  a smaller active site. 
C)  a more elongated three-dimensional structure. 
D)  more  
-barrels.

Question 8

What is partial hydrogenation? Outline the pros and cons of using partial hydrogenation in the food industry.

Accepted Answer

Hydrogenation is a commercial process wh

Question 9

Which eicosanoid acts as an inflammatory mediator that also regulates smooth muscle contraction?

Accepted Answer

A)  prostaglandin 
B)  prostacyclin 
C)  thromboxane 
D)  leukotriene 
A)  prostaglandin 
B)  prostacyclin 
C)  thromboxane 
D)  leukotriene

Question 10

How do cholesterol concentrations affect membrane fluidity?

Accepted Answer

High concentrations of cholesterol preve

Question 11

Identify the polyunsaturated fatty acid.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 12

Compare and contrast saturated,monounsaturated,and polyunsaturated fatty acids.

Accepted Answer

Saturated,monounsaturated,and polyunsatu

Question 13

Identify the   -3 fatty acid.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 14

Which of the following molecules aid in the absorption of dietary lipids?

Accepted Answer

A)  prostaglandin 
B)  cortisol 
C)  glycocholate 
D)  aldosterone 
A)  prostaglandin 
B)  cortisol 
C)  glycocholate 
D)  aldosterone

Question 15

Which of the following membranes would have the least amount of fluidity based on the following percentage of cholesterol in the membrane?

Accepted Answer

A)  10% 
B)  25% 
C)  30% 
D)  40% 
A)  10% 
B)  25% 
C)  30% 
D)  40%

Question 16

Which eicosanoid controls platelet formation?

Accepted Answer

A)  prostaglandin 
B)  prostacyclin 
C)  thromboxane 
D)  leukotriene 
A)  prostaglandin 
B)  prostacyclin 
C)  thromboxane 
D)  leukotriene

Question 17

Chylomicrons are produced in

Accepted Answer

A)  liver cells. 
B)  intestinal epithelial cells. 
C)  stomach cells. 
D)  adipocytes. 
A)  liver cells. 
B)  intestinal epithelial cells. 
C)  stomach cells. 
D)  adipocytes.

Question 18

The inner layer of the plasma membrane of human erythrocytes contains mostly __________ lipids.

Accepted Answer

A)  phosphatidylserine 
B)  ganglioside 
C)  phosphatidylcholine 
D)  sphingomyelin 
A)  phosphatidylserine 
B)  ganglioside 
C)  phosphatidylcholine 
D)  sphingomyelin

Exam 15: Lipid Structure and Function

Outline the six steps required for the absorption and transport of dietary triacylglycerols.

Soap traps dirt particles in

Which missing enzyme results in Niemann-Pick disease?

VLDLs are produced in

Why do long chain,saturated fatty acids have a higher melting point than unsaturated fatty acids?

Mineralocorticoids and glucocorticoids are synthesized in the

Compared with the COX-2 enzyme,COX-1 has

What is partial hydrogenation? Outline the pros and cons of using partial hydrogenation in the food industry.

Which eicosanoid acts as an inflammatory mediator that also regulates smooth muscle contraction?

How do cholesterol concentrations affect membrane fluidity?

Identify the polyunsaturated fatty acid.

Compare and contrast saturated,monounsaturated,and polyunsaturated fatty acids.

Identify the -3 fatty acid.

Which of the following molecules aid in the absorption of dietary lipids?

Which of the following membranes would have the least amount of fluidity based on the following percentage of cholesterol in the membrane?

Which eicosanoid controls platelet formation?

Chylomicrons are produced in

The inner layer of the plasma membrane of human erythrocytes contains mostly __________ lipids.

Principles of Biochemistry

Physical Biochemistry: Energy Conversion,water,and Membranes

Nucleic Acid Structure and Function

Protein Structure

Methods in Protein Biochemistry

Protein Function

Enzyme Mechanisms

Cell Signaling Systems

Glycolysis: a Paradigm of Metabolic Regulation

The Citrate Cycle

Oxidative Phosphorylation

Photosynthesis

Carbohydrate Structure and Function

Carbohydrate Metabolism

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Metabolic Integration

Dna Replication, repair, and Recombination

Rna Synthesis, processing, and Gene Silencing

Protein Synthesis, posttranslational Modification, and Transport

Gene Regulation

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