Question 1

Compounds that cells can use to make glucose include all of the following,except

Accepted Answer

A) acetyl-CoA. 
B) glycerol. 
C) some amino acids. 
D) lactate. 
E) pyruvate. 
A) acetyl-CoA. 
B) glycerol. 
C) some amino acids. 
D) lactate. 
E) pyruvate.

Question 2

Hydrogen atoms from one FADH₂ from the citric acid cycle produce how much ATP in the electron transport system?

Accepted Answer

A) 32 ATP 
B) 2 ATP 
C) 3 ATP 
D) 4 ATP 
E) 1 ATP 
A) 32 ATP 
B) 2 ATP 
C) 3 ATP 
D) 4 ATP 
E) 1 ATP

Question 3

On a tour of African countries,Mark contracts a bad case of traveler's diarrhea.Because he can't eat very much,his body starts to use energy sources other than carbohydrates.This would result in

Accepted Answer

A) increased levels of urea in the blood. 
B) ketosis and a decreased blood pH. 
C) increased gluconeogenesis in the liver. 
D) lipid metabolism. 
E) All of the answers are correct. 
A) increased levels of urea in the blood. 
B) ketosis and a decreased blood pH. 
C) increased gluconeogenesis in the liver. 
D) lipid metabolism. 
E) All of the answers are correct.

Question 4

The vitamin that is part of the coenzymes FAD is

Accepted Answer

A) thiamine. 
B) riboflavin. 
C) niacin. 
D) folic acid (folate). 
E) cobalamin. 
A) thiamine. 
B) riboflavin. 
C) niacin. 
D) folic acid (folate). 
E) cobalamin.

Question 5

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 6

A(n)________ protein is deficient in one or more of the essential amino acids.

Accepted Answer

A) complete 
B) vital 
C) phosphorylated 
D) incomplete 
E) real 
A) complete 
B) vital 
C) phosphorylated 
D) incomplete 
E) real

Question 7

The term ________ refers to an unhealthy state resulting from inadequate intake of one or more nutrients that becomes life-threatening as the deficiencies accumulate.

Accepted Answer

A) malabsorption 
B) binging 
C) purging 
D) malnutrition 
E) maladaptation 
A) malabsorption 
B) binging 
C) purging 
D) malnutrition 
E) maladaptation

Question 8

The study of the flow of energy and its transformations is called

Accepted Answer

A) energetics. 
B) glycolysis. 
C) cellular respiration. 
D) thermodynamics. 
E) metabolism. 
A) energetics. 
B) glycolysis. 
C) cellular respiration. 
D) thermodynamics. 
E) metabolism.

Question 9

Reactions within ________ provide most of the energy needed by a typical cell.

Accepted Answer

A) cytoplasm 
B) the plasma membrane 
C) the mitochondria 
D) the endoplasmic reticulum 
E) nucleus 
A) cytoplasm 
B) the plasma membrane 
C) the mitochondria 
D) the endoplasmic reticulum 
E) nucleus

Question 10

Assuming they all weigh the same and maintain the same body temperature,which of the following would lose heat the fastest?

Accepted Answer

A) a short,thickly built person 
B) a tall,very slender person 
C) a person of average build 
D) None of the answers is correct; they would lose heat at an equal rate. 
A) a short,thickly built person 
B) a tall,very slender person 
C) a person of average build 
D) None of the answers is correct; they would lose heat at an equal rate.

Question 11

Lipogenesis generally begins with

Accepted Answer

A) glucose. 
B) amino acids. 
C) fatty acids. 
D) acetyl-CoA. 
E) succinyl-CoA. 
A) glucose. 
B) amino acids. 
C) fatty acids. 
D) acetyl-CoA. 
E) succinyl-CoA.

Question 12

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 13

Ketosis develops in the postabsorptive state.What is ketosis? Why does it develop? What metabolic effects does it have?

Accepted Answer

Ketosis is a high concentration of keton

Question 14

A cation that often acts as a cofactor for enzymes is

Accepted Answer

A) sodium. 
B) potassium. 
C) calcium. 
D) magnesium. 
E) zinc. 
A) sodium. 
B) potassium. 
C) calcium. 
D) magnesium. 
E) zinc.

Question 15

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.

Exam 25: Metabolism and Energetics

Compounds that cells can use to make glucose include all of the following,except

Hydrogen atoms from one FADH₂ from the citric acid cycle produce how much ATP in the electron transport system?

On a tour of African countries,Mark contracts a bad case of traveler's diarrhea.Because he can't eat very much,his body starts to use energy sources other than carbohydrates.This would result in

The vitamin that is part of the coenzymes FAD is

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

A(n)________ protein is deficient in one or more of the essential amino acids.

The term ________ refers to an unhealthy state resulting from inadequate intake of one or more nutrients that becomes life-threatening as the deficiencies accumulate.

The study of the flow of energy and its transformations is called

Reactions within ________ provide most of the energy needed by a typical cell.

Assuming they all weigh the same and maintain the same body temperature,which of the following would lose heat the fastest?

Lipogenesis generally begins with

In the human body,cholesterol is important because it

Ketosis develops in the postabsorptive state.What is ketosis? Why does it develop? What metabolic effects does it have?

A cation that often acts as a cofactor for enzymes is

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

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

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

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

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