Question 1

How many trips through the fatty acid spiral are required for a 10-carbon fatty acid?

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 10 
A) 4 
B) 5 
C) 6 
D) 10

Question 2

If an individual does not have a sufficient level of insulin in the blood, the uptake of glucose by the cells is inhibited.

Accepted Answer

A) True 
 B)False

Question 3

The type of enzyme that would catalyze the following reaction would be a(n)  ___ .

Accepted Answer

A) hydroxylase 
B) transaminase 
C) synthetase 
D) lipase 
A) hydroxylase 
B) transaminase 
C) synthetase 
D) lipase

Question 4

Glycogen that is required by brain tissue leaves the liver and is transported to the brain by means of large blood vessels used specifically for this purpose.

Accepted Answer

A) True 
 B)False

Question 5

Consider the simplified diagram of the urea cycle shown below. Which species, numbered 1 through 4, is synthesized in the mitochondria?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 6

Consider the following reaction.  
What would be the nitrogen containing product?

Accepted Answer

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

Question 7

In the fatty acid synthetase system, acetyl CoA is converted back into a fatty acid. How many acetyl CoAs are used in making a 18 carbon fatty acid?

Accepted Answer

A) 10 
B) 9 
C) 18 
D) 36 
A) 10 
B) 9 
C) 18 
D) 36

Question 8

​ The condition characterized by an elevated level of ketone bodies in one's blood and urine, and the presence of acetone in one's breath is called _____.

Accepted Answer

A) acetone breath 
B) ketosis 
C) acidosis 
D) kernicterus 
A) acetone breath 
B) ketosis 
C) acidosis 
D) kernicterus

Question 9

The body can prepare asparagine from aspartic acid.

Accepted Answer

A) True 
 B)False

Question 10

During fat mobilization, triglycerides are converted to _____ .

Accepted Answer

A) glucose 
B) pyruvate 
C) glycogen 
D) fatty acids and glycerol 
A) glucose 
B) pyruvate 
C) glycogen 
D) fatty acids and glycerol

Question 11

Nutritionists suggest that a healthy diet be low in fats and high in carbohydrates.

Accepted Answer

A) True 
 B)False

Question 12

Consider the diagram of a mitochondrion shown below.  Which of the numbered locations is where β -oxidation occurs?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 13

Phenenylketonuria (PKU)is a genetic disorder where an individual is unable to produce the enzyme phenylalanine hydroxylase.  This results in the inability of the body to convert phenylalanine to what substance?

Accepted Answer

A) phenylpyruvate 
B) tyrosine 
C) acetoacetate 
D) β -hydroxybutyrate 
A) phenylpyruvate 
B) tyrosine 
C) acetoacetate 
D) β -hydroxybutyrate

Question 14

Chylomicrons are modified within the ____ into smaller lipoprotein particles.

Accepted Answer

A) liver 
B) bloodstream 
C) intestinal mucosa 
D) lymph 
A) liver 
B) bloodstream 
C) intestinal mucosa 
D) lymph

Question 15

The synthesis of fatty acids

Accepted Answer

A) takes place by simply the reverse reactions of the fatty acid spiral. 
B) takes place in the same location within a cell as the fatty acid spiral. 
C) takes place by different reactions than the reverse of the fatty acid spiral and in a different cellular location. 
D) More than one response is correct. 
A) takes place by simply the reverse reactions of the fatty acid spiral. 
B) takes place in the same location within a cell as the fatty acid spiral. 
C) takes place by different reactions than the reverse of the fatty acid spiral and in a different cellular location. 
D) More than one response is correct.

Question 16

High density lipoproteins contain greater amounts of ____ than do low density lipoproteins.

Accepted Answer

A) fatty acids 
B) protein 
C) triglycerides 
D) cholesterol 
A) fatty acids 
B) protein 
C) triglycerides 
D) cholesterol

Question 17

Ten amino acids can be synthesized from intermediates of

Accepted Answer

A) glycolysis and the citric acid cycle. 
B) glycolysis and the electron transport chain. 
C) the urea cycle and the electron transport chain. 
D) the urea cycle and the citric acid cycle. 
A) glycolysis and the citric acid cycle. 
B) glycolysis and the electron transport chain. 
C) the urea cycle and the electron transport chain. 
D) the urea cycle and the citric acid cycle.

Question 18

How many molecules of NADH are formed by the oxidation of a 6-carbon fatty acid?

Accepted Answer

A) 6 
B) 5 
C) 3 
D) 2 
A) 6 
B) 5 
C) 3 
D) 2

Question 19

​ For transport within the lymph and blood, insoluble lipids combine with proteins to form lipoprotein aggregates called _____.

Accepted Answer

A) intermediate-density lipoproteins 
B) apolipoprotein B-48 
C) chylomicrons 
D) low-density lipoproteins 
A) intermediate-density lipoproteins 
B) apolipoprotein B-48 
C) chylomicrons 
D) low-density lipoproteins

Question 20

A 14 carbon fatty acid that goes through the fatty acid spiral will net how much energy, measured in ATP?

Accepted Answer

A) 70 ATP 
B) 85 ATP 
C) 94 ATP 
D) 92 ATP 
A) 70 ATP 
B) 85 ATP 
C) 94 ATP 
D) 92 ATP

Exam 24: Lipid and Amino Acid Metabolism

How many trips through the fatty acid spiral are required for a 10-carbon fatty acid?

If an individual does not have a sufficient level of insulin in the blood, the uptake of glucose by the cells is inhibited.

The type of enzyme that would catalyze the following reaction would be a(n) ___ .

Glycogen that is required by brain tissue leaves the liver and is transported to the brain by means of large blood vessels used specifically for this purpose.

Consider the simplified diagram of the urea cycle shown below. Which species, numbered 1 through 4, is synthesized in the mitochondria?

Consider the following reaction. What would be the nitrogen containing product?

In the fatty acid synthetase system, acetyl CoA is converted back into a fatty acid. How many acetyl CoAs are used in making a 18 carbon fatty acid?

​ The condition characterized by an elevated level of ketone bodies in one's blood and urine, and the presence of acetone in one's breath is called _____.

The body can prepare asparagine from aspartic acid.

During fat mobilization, triglycerides are converted to _____ .

Nutritionists suggest that a healthy diet be low in fats and high in carbohydrates.

Consider the diagram of a mitochondrion shown below. Which of the numbered locations is where β -oxidation occurs?

Phenenylketonuria (PKU)is a genetic disorder where an individual is unable to produce the enzyme phenylalanine hydroxylase. This results in the inability of the body to convert phenylalanine to what substance?

Chylomicrons are modified within the ____ into smaller lipoprotein particles.

The synthesis of fatty acids

High density lipoproteins contain greater amounts of ____ than do low density lipoproteins.

Ten amino acids can be synthesized from intermediates of

How many molecules of NADH are formed by the oxidation of a 6-carbon fatty acid?

​ For transport within the lymph and blood, insoluble lipids combine with proteins to form lipoprotein aggregates called _____.

A 14 carbon fatty acid that goes through the fatty acid spiral will net how much energy, measured in ATP?

Matter, Measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, Bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Body Fluids

Filters

The condition characterized by an elevated level of ketone bodies in one's blood and urine, and the presence of acetone in one's breath is called _____.

For transport within the lymph and blood, insoluble lipids combine with proteins to form lipoprotein aggregates called _____.