Question 1

Carbohydrate digestion begins in the mouth.

Accepted Answer

A) True 
 B)False

Question 2

In this figure,identify the metabolic substance numbered.  
-substance 5

Accepted Answer

The answer of In this figure,identify the metabolic substance numbered....

Question 3

The digestion of fats begins when the fat globules are ________.

Accepted Answer

A) emulsified by bile salts 
B) attacked by protease enzymes to form smaller fat globules 
C) converted to lipoproteins for greater solubility 
D) hydrolyzed to glucose and amino acids 
E) hydrolyzed to glycerol and fatty acids 
A) emulsified by bile salts 
B) attacked by protease enzymes to form smaller fat globules 
C) converted to lipoproteins for greater solubility 
D) hydrolyzed to glucose and amino acids 
E) hydrolyzed to glycerol and fatty acids

Question 4

The net energy production in anaerobic glycolysis is ________.

Accepted Answer

A) 2 ATP 
B) 4 ATP 
C) 6 ATP 
D) 8 ATP 
E) 12 ATP 
A) 2 ATP 
B) 4 ATP 
C) 6 ATP 
D) 8 ATP 
E) 12 ATP

Question 5

Digestion of a polysaccharide is an anabolic process.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following does not require   ?

Accepted Answer

A) glycolysis 
B) transamination 
C) citric acid cycle 
D) β-oxidation 
E) oxidative deamination 
A) glycolysis 
B) transamination 
C) citric acid cycle 
D) β-oxidation 
E) oxidative deamination

Question 7

Ketosis can lower the blood pH below 7.4,producing the condition ________.

Accepted Answer

A) anemia 
B) hyponatremia 
C) hypokalemia 
D) acidosis 
E) alkalosis 
A) anemia 
B) hyponatremia 
C) hypokalemia 
D) acidosis 
E) alkalosis

Question 8

The 2-carbon units obtained by degradation of a fatty acid are further metabolized in ________.

Accepted Answer

A) oxidative deamination 
B) the citric acid cycle 
C) β-oxidation 
D) glycolysis 
E) transamination 
A) oxidative deamination 
B) the citric acid cycle 
C) β-oxidation 
D) glycolysis 
E) transamination

Question 9

In the chemiosmotic model,protons circulate through a protein complex called ________.

Accepted Answer

A) iron-sulfur clusters 
B) FMA 
C) CoA 
D) CoQ 
E) ATP synthase 
A) iron-sulfur clusters 
B) FMA 
C) CoA 
D) CoQ 
E) ATP synthase

Question 10

In the absence of oxygen in muscles,pyruvate is converted to ________.

Accepted Answer

A) glycogen 
B) glucose 
C) ethanol 
D) lactate 
E) glyceraldehyde-3-phosphate 
A) glycogen 
B) glucose 
C) ethanol 
D) lactate 
E) glyceraldehyde-3-phosphate

Question 11

The digestion of protein begins in the ________.

Accepted Answer

A) mouth 
B) stomach 
C) small intestine 
D) large intestine 
E) pancreas 
A) mouth 
B) stomach 
C) small intestine 
D) large intestine 
E) pancreas

Question 12

The energy for most energy-requiring reactions in the cells of the body is obtained by the hydrolysis of ________.

Accepted Answer

A) ATP 
B) ADP 
C) AMP 
D) cyclic AMP 
E) GTP 
A) ATP 
B) ADP 
C) AMP 
D) cyclic AMP 
E) GTP

Question 13

Ammonium ions and carbon dioxide combine to produce urea in the urea cycle.

Accepted Answer

A) True 
 B)False

Question 14

Chylomicrons consist of bile salts and lipids.

Accepted Answer

A) True 
 B)False

Question 15

What is the correct coefficient for ATP in the complete oxidation of glucose?       + 6   → 6   + ________ ATP + 6H2O

Accepted Answer

A) 6 
B) 12 
C) 18 
D) 24 
E) 32 
A) 6 
B) 12 
C) 18 
D) 24 
E) 32

Question 16

Each acetyl-CoA produces a total of ________ ATP.

Accepted Answer

A) 2 
B) 6 
C) 10 
D) 12 
E) 24 
A) 2 
B) 6 
C) 10 
D) 12 
E) 24

Question 17

In a(n)________ reaction,   is produced when glutamate is converted to α-ketoglutarate.

Accepted Answer

A) dehydrogenation 
B) transamination 
C) oxidative deamination 
D) reduction 
E) hydration 
A) dehydrogenation 
B) transamination 
C) oxidative deamination 
D) reduction 
E) hydration

Question 18

The removal of 2-carbon segments of a fatty acid for further metabolism occurs during ________.

Accepted Answer

A) β-oxidation 
B) transamination 
C) deglyceration 
D) dehydration 
E) decarboxylation 
A) β-oxidation 
B) transamination 
C) deglyceration 
D) dehydration 
E) decarboxylation

Question 19

Anabolic reactions are reactions that ________.

Accepted Answer

A) use oxidation but not reduction 
B) break down large molecules into smaller ones 
C) take place in the mitochondria 
D) require energy 
E) give off energy 
A) use oxidation but not reduction 
B) break down large molecules into smaller ones 
C) take place in the mitochondria 
D) require energy 
E) give off energy

Question 20

A 10 carbon fatty acid goes through β-oxidation and produces 64 ATP.

Accepted Answer

A) True 
 B)False

Carbohydrate digestion begins in the mouth.

In this figure,identify the metabolic substance numbered. -substance 5

The digestion of fats begins when the fat globules are ________.

The net energy production in anaerobic glycolysis is ________.

Digestion of a polysaccharide is an anabolic process.

Which of the following does not require ?

Ketosis can lower the blood pH below 7.4,producing the condition ________.

The 2-carbon units obtained by degradation of a fatty acid are further metabolized in ________.

In the chemiosmotic model,protons circulate through a protein complex called ________.

In the absence of oxygen in muscles,pyruvate is converted to ________.

The digestion of protein begins in the ________.

The energy for most energy-requiring reactions in the cells of the body is obtained by the hydrolysis of ________.

Ammonium ions and carbon dioxide combine to produce urea in the urea cycle.

Chylomicrons consist of bile salts and lipids.

What is the correct coefficient for ATP in the complete oxidation of glucose? + 6 → 6 + ________ ATP + 6H2O

Each acetyl-CoA produces a total of ________ ATP.

In a(n)________ reaction, is produced when glutamate is converted to α-ketoglutarate.

The removal of 2-carbon segments of a fatty acid for further metabolism occurs during ________.

Anabolic reactions are reactions that ________.

A 10 carbon fatty acid goes through β-oxidation and produces 64 ATP.

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Exam 18: Metabolic Pathways and Energy Production

Carbohydrate digestion begins in the mouth.

In this figure,identify the metabolic substance numbered. -substance 5

The digestion of fats begins when the fat globules are ________.

The net energy production in anaerobic glycolysis is ________.

Digestion of a polysaccharide is an anabolic process.

Which of the following does not require ?

Ketosis can lower the blood pH below 7.4,producing the condition ________.

The 2-carbon units obtained by degradation of a fatty acid are further metabolized in ________.

In the chemiosmotic model,protons circulate through a protein complex called ________.

In the absence of oxygen in muscles,pyruvate is converted to ________.

The digestion of protein begins in the ________.

The energy for most energy-requiring reactions in the cells of the body is obtained by the hydrolysis of ________.

Ammonium ions and carbon dioxide combine to produce urea in the urea cycle.

Chylomicrons consist of bile salts and lipids.

What is the correct coefficient for ATP in the complete oxidation of glucose? + 6 → 6 + ________ ATP + 6H2O

Each acetyl-CoA produces a total of ________ ATP.

In a(n)________ reaction, is produced when glutamate is converted to α-ketoglutarate.

The removal of 2-carbon segments of a fatty acid for further metabolism occurs during ________.

Anabolic reactions are reactions that ________.

A 10 carbon fatty acid goes through β-oxidation and produces 64 ATP.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Filters