Question 1

In oxidative phosphorylation,energy for the synthesis of ATP is directly obtained from

Accepted Answer

A) the splitting of oxygen molecules. 
B) the breaking of the covalent bonds in glucose. 
C) the movement of hydrogen ions through channels in the inner mitochondrial membrane. 
D) the combination of two atoms of hydrogen and one atom of oxygen to form water. 
E) the oxidation of acetyl-CoA. 
A) the splitting of oxygen molecules. 
B) the breaking of the covalent bonds in glucose. 
C) the movement of hydrogen ions through channels in the inner mitochondrial membrane. 
D) the combination of two atoms of hydrogen and one atom of oxygen to form water. 
E) the oxidation of acetyl-CoA.

Question 2

An ________ is deficient in one or more of the essential amino acids.

Accepted Answer

The answer of An ________ is deficient in one or...

Question 3

The largest lipoproteins,ranging in diameter up to 0.5 µm,________ are produced by intestinal epithelial cells from the fats in food.

Accepted Answer

A) very-low-density lipoproteins (VLDLs) 
B) low-density lipoproteins (LDLs) 
C) intermediate-density lipoproteins (IDLs) 
D) high-density lipoproteins (HDLs) 
E) chylomicrons 
A) very-low-density lipoproteins (VLDLs) 
B) low-density lipoproteins (LDLs) 
C) intermediate-density lipoproteins (IDLs) 
D) high-density lipoproteins (HDLs) 
E) chylomicrons

Question 4

An element that is a component of hemoglobin,myoglobin,and cytochromes is

Accepted Answer

A) calcium. 
B) magnesium. 
C) iron. 
D) zinc. 
E) cobalt. 
A) calcium. 
B) magnesium. 
C) iron. 
D) zinc. 
E) cobalt.

Question 5

Cells synthesize new organic components for which of the following reasons?

Accepted Answer

A) structural maintenance 
B) growth and repair 
C) produce secretions 
D) store nutrients 
E) All of the answers are correct. 
A) structural maintenance 
B) growth and repair 
C) produce secretions 
D) store nutrients 
E) All of the answers are correct.

Question 6

A balanced diet should

Accepted Answer

A) include adequate substrates for the production of energy. 
B) provide essential amino acids and fatty acids. 
C) contain adequate amounts of vitamins and minerals. 
D) contain adequate amounts of water. 
E) All of the answers are correct. 
A) include adequate substrates for the production of energy. 
B) provide essential amino acids and fatty acids. 
C) contain adequate amounts of vitamins and minerals. 
D) contain adequate amounts of water. 
E) All of the answers are correct.

Question 7

The process of synthesizing glucose from noncarbohydrates is called ________.

Accepted Answer

The answer of The process of synthesizing glucose from noncarbohydrates...

Question 8

The condition when excessive fluid loss from sweating disrupts thermoregulatory mechanisms is known as

Accepted Answer

A) thermoneogenesis. 
B) heat exhaustion. 
C) hydrosis. 
D) heat stroke. 
E) hypothermia. 
A) thermoneogenesis. 
B) heat exhaustion. 
C) hydrosis. 
D) heat stroke. 
E) hypothermia.

Question 9

The citric acid cycle occurs in the

Accepted Answer

A) cytosol. 
B) golgi apparatus. 
C) mitochondrial cristae. 
D) mitochondrial matrix. 
E) ribosome. 
A) cytosol. 
B) golgi apparatus. 
C) mitochondrial cristae. 
D) mitochondrial matrix. 
E) ribosome.

Question 10

Obesity is defined as a body weight more than ________ percent above the ideal body weight for an individual.

Accepted Answer

A) 5 
B) 10 
C) 15 
D) 20 
E) 30 
A) 5 
B) 10 
C) 15 
D) 20 
E) 30

Question 11

What percent of energy released from catabolism is lost as heat?

Accepted Answer

A) 20 
B) 30 
C) 40 
D) 50 
E) 60 
A) 20 
B) 30 
C) 40 
D) 50 
E) 60

Question 12

The vitamin that is part of the coenzyme NAD 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 13

Fatty acids that are necessary for proper health but cannot be synthesized by the body are called ________.

Accepted Answer

essential

Question 14

The strategy of eating starchy foods for several days before an athletic event is known as

Accepted Answer

A) carbohydrate craving. 
B) the Atkins diet. 
C) carbohydrate loading. 
D) glycolysis reaction. 
E) overeating. 
A) carbohydrate craving. 
B) the Atkins diet. 
C) carbohydrate loading. 
D) glycolysis reaction. 
E) overeating.

Question 15

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

Exam 25: Metabolism and Energetics

In oxidative phosphorylation,energy for the synthesis of ATP is directly obtained from

An ________ is deficient in one or more of the essential amino acids.

The largest lipoproteins,ranging in diameter up to 0.5 µm,________ are produced by intestinal epithelial cells from the fats in food.

An element that is a component of hemoglobin,myoglobin,and cytochromes is

Cells synthesize new organic components for which of the following reasons?

A balanced diet should

The process of synthesizing glucose from noncarbohydrates is called ________.

The condition when excessive fluid loss from sweating disrupts thermoregulatory mechanisms is known as

The citric acid cycle occurs in the

Obesity is defined as a body weight more than ________ percent above the ideal body weight for an individual.

What percent of energy released from catabolism is lost as heat?

The vitamin that is part of the coenzyme NAD is

Fatty acids that are necessary for proper health but cannot be synthesized by the body are called ________.

The strategy of eating starchy foods for several days before an athletic event is known as

Hydrogen atoms from one FADH₂ from the citric acid cycle produce how much ATP in the Electron Transport System?

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