Question 1

The conversion of ammonia into a less toxic substance produces

Accepted Answer

A) ketone bodies. 
B) urea. 
C) nitrate. 
D) acetyl-CoA. 
E) water. 
A) ketone bodies. 
B) urea. 
C) nitrate. 
D) acetyl-CoA. 
E) water.

Question 2

In the citric acid cycle,a 2 carbon molecule and a 4 carbon molecule combine to produce

Accepted Answer

A) fructose-1,6-bisphosphate. 
B) carbon dioxide. 
C) pyruvic acid. 
D) NADH. 
E) citric acid. 
A) fructose-1,6-bisphosphate. 
B) carbon dioxide. 
C) pyruvic acid. 
D) NADH. 
E) citric acid.

Question 3

An ion that is a necessary component of high-energy compounds and nucleic acids and a structural component of bone is the ________ ion.

Accepted Answer

A) chloride 
B) sulfate 
C) phosphate 
D) bicarbonate 
E) iodide 
A) chloride 
B) sulfate 
C) phosphate 
D) bicarbonate 
E) iodide

Question 4

List and briefly describe the body's five metabolic components.

Accepted Answer

The body has five metabolic components:

Question 5

According to the food pyramid,there are ________ basic food groups.

Accepted Answer

The answer of According to the food pyramid,there are ________...

Question 6

Which of the following individuals would lose heat the fastest in a cold room?

Accepted Answer

A) an adult man 
B) an adult woman 
C) an adolescent male 
D) a child 
E) a newborn infant 
A) an adult man 
B) an adult woman 
C) an adolescent male 
D) a child 
E) a newborn infant

Question 7

During the absorptive state,

Accepted Answer

A) the liver forms glycogen. 
B) adipocytes release fatty acids to the circulation. 
C) skeletal muscle breaks down glycogen. 
D) insulin levels are low. 
E) skeletal muscle fibers release glucose. 
A) the liver forms glycogen. 
B) adipocytes release fatty acids to the circulation. 
C) skeletal muscle breaks down glycogen. 
D) insulin levels are low. 
E) skeletal muscle fibers release glucose.

Question 8

Fatty acids and many amino acids cannot be used for ________,because their catabolic pathways produce acetyl-CoA.

Accepted Answer

The answer of Fatty acids and many amino acids cannot...

Question 9

Inorganic ions released through the dissociation of electrolytes are called ________.

Accepted Answer

The answer of Inorganic ions released through the dissociation of...

Question 10

During starvation

Accepted Answer

A) carbohydrate utilization increases. 
B) gluconeogenesis ceases. 
C) there is a decline in circulating ketone bodies. 
D) muscle proteins are used as an energy source. 
E) carbohydrate reserves maintained by metabolizing inorganic compounds. 
A) carbohydrate utilization increases. 
B) gluconeogenesis ceases. 
C) there is a decline in circulating ketone bodies. 
D) muscle proteins are used as an energy source. 
E) carbohydrate reserves maintained by metabolizing inorganic compounds.

Question 11

The inherited metabolic disorder that results from the accumulation of phenylketones from phenylalanine is ________.

Accepted Answer

phenylketo

Question 12

A high uric acid level (above 7.4 mg/dl)can lead to the painful condition known as

Accepted Answer

A) gout. 
B) rheumatoid arthritis. 
C) anorexia nervosa. 
D) lupus. 
E) ketosis. 
A) gout. 
B) rheumatoid arthritis. 
C) anorexia nervosa. 
D) lupus. 
E) ketosis.

Question 13

Each cytochrome contains

Accepted Answer

A) a lipoprotein. 
B) a metal ion. 
C) an ATP synthase. 
D) an inorganic salt. 
E) All of the answers are correct. 
A) a lipoprotein. 
B) a metal ion. 
C) an ATP synthase. 
D) an inorganic salt. 
E) All of the answers are correct.

Question 14

In the human body,cholesterol is important because it

Accepted Answer

A) helps waterproof the epidermis. 
B) is a lipid component of all cell membranes. 
C) is a key constituent of bile. 
D) is the precursor of several steroid hormones and vitamin D₃. 
E) All of the answers are correct. 
A) helps waterproof the epidermis. 
B) is a lipid component of all cell membranes. 
C) is a key constituent of bile. 
D) is the precursor of several steroid hormones and vitamin D₃. 
E) All of the answers are correct.

Question 15

The drug colestipol binds bile salts in the intestine,forming complexes that cannot be absorbed.How would this drug affect cholesterol levels in blood?

Accepted Answer

Colestipol would lead to a decrease in t

Question 16

The term ________ refers to the homeostatic process that allows us to maintain a constant body temperature.

Accepted Answer

The answer of The term ________ refers to the homeostatic...

Question 17

Removal of the amino group from amino acids in the first step of their catabolism requires a coenzyme derived from vitamin ________.

Accepted Answer

A) A 
B) C 
C) B₁₂ 
D) B₆ 
E) B₉ 
A) A 
B) C 
C) B₁₂ 
D) B₆ 
E) B₉

Question 18

In order to determine the LDL level in a patient's blood it is necessary to measure

Accepted Answer

A) total cholesterol level. 
B) HDL level. 
C) triglyceride level. 
D) triglyceride and monoglyceride levels. 
E) total cholesterol level,HDL level,and triglyceride level. 
A) total cholesterol level. 
B) HDL level. 
C) triglyceride level. 
D) triglyceride and monoglyceride levels. 
E) total cholesterol level,HDL level,and triglyceride level.

Question 19

How many net ATP molecules are produced by the complete metabolism (all pathways)of one glucose molecule?

Accepted Answer

A) 2 ATP 
B) 63 ATP 
C) 500 ATP 
D) 36 ATP 
E) 32 ATP 
A) 2 ATP 
B) 63 ATP 
C) 500 ATP 
D) 36 ATP 
E) 32 ATP

Question 20

Oxygen is an important molecule in which of the following:

Accepted Answer

A) citric acid cycle and ETS 
B) glycolysis,citric acid cycle,and ETS 
C) citric acid cycle only 
D) glycolysis only 
E) ETS only 
A) citric acid cycle and ETS 
B) glycolysis,citric acid cycle,and ETS 
C) citric acid cycle only 
D) glycolysis only 
E) ETS only

Exam 25: Metabolism and Energetics

The conversion of ammonia into a less toxic substance produces

In the citric acid cycle,a 2 carbon molecule and a 4 carbon molecule combine to produce

An ion that is a necessary component of high-energy compounds and nucleic acids and a structural component of bone is the ________ ion.

List and briefly describe the body's five metabolic components.

According to the food pyramid,there are ________ basic food groups.

Which of the following individuals would lose heat the fastest in a cold room?

During the absorptive state,

Fatty acids and many amino acids cannot be used for ________,because their catabolic pathways produce acetyl-CoA.

Inorganic ions released through the dissociation of electrolytes are called ________.

During starvation

The inherited metabolic disorder that results from the accumulation of phenylketones from phenylalanine is ________.

A high uric acid level (above 7.4 mg/dl)can lead to the painful condition known as

Each cytochrome contains

In the human body,cholesterol is important because it

The drug colestipol binds bile salts in the intestine,forming complexes that cannot be absorbed.How would this drug affect cholesterol levels in blood?

The term ________ refers to the homeostatic process that allows us to maintain a constant body temperature.

Removal of the amino group from amino acids in the first step of their catabolism requires a coenzyme derived from vitamin ________.

In order to determine the LDL level in a patient's blood it is necessary to measure

How many net ATP molecules are produced by the complete metabolism (all pathways)of one glucose molecule?

Oxygen is an important molecule in which of the following:

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters