Question 1

The phosphatase found in bone would have a pH optimum that is ______________ than the pH optimum of the phosphatase found in the prostate gland.

Accepted Answer

A) higher 
B) lower 
C) the same as 
A) higher 
B) lower 
C) the same as A

Question 2

A food calorie (Calorie)is equivalent to which metric measurement of heat?

Accepted Answer

A) calorie 
B) joule 
C) kilocalorie 
D) watt 
A) calorie 
B) joule 
C) kilocalorie 
D) watt C

Question 3

Energy can change forms,but cannot be created or destroyed is a statement of the

Accepted Answer

A) first law of thermodynamics. 
B) second law of thermodynamics. 
C) law of mass action. 
D) third law of thermodynamics. 
A) first law of thermodynamics. 
B) second law of thermodynamics. 
C) law of mass action. 
D) third law of thermodynamics. A

Question 4

FAD is derived from vitamin

Accepted Answer

A) B-12. 
B) B-3,niacin. 
C) B-2,riboflavin. 
D) B-6. 
A) B-12. 
B) B-3,niacin. 
C) B-2,riboflavin. 
D) B-6.

Question 5

Most enzymatic reactions in the body are one step processes.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is NOT a characteristic of a catalyst?

Accepted Answer

A) is not changed itself at the end of the reaction 
B) does not change the nature of the reaction 
C) can change the final result of the reaction 
D) increases the rate of the reaction 
A) is not changed itself at the end of the reaction 
B) does not change the nature of the reaction 
C) can change the final result of the reaction 
D) increases the rate of the reaction

Question 7

Which of the following is NOT true of catalysts?

Accepted Answer

A) They are unchanged by the reaction catalyzed. 
B) They allow endergonic reactions to become exergonic reactions. 
C) They increase the amount of energy released by a chemical reaction. 
D) They lower the activation energy of the reaction. 
A) They are unchanged by the reaction catalyzed. 
B) They allow endergonic reactions to become exergonic reactions. 
C) They increase the amount of energy released by a chemical reaction. 
D) They lower the activation energy of the reaction.

Question 8

Which of the following does NOT affect the activity of an enzyme?

Accepted Answer

A) the organ the enzyme is in 
B) concentration of enzyme and substrate molecules 
C) concentration of cofactors and coenzymes 
D) pH and temperature 
A) the organ the enzyme is in 
B) concentration of enzyme and substrate molecules 
C) concentration of cofactors and coenzymes 
D) pH and temperature

Question 9

Reactant molecules of enzyme action are called

Accepted Answer

A) substrates. 
B) allosteric inhibitors. 
C) cofactors. 
D) products. 
A) substrates. 
B) allosteric inhibitors. 
C) cofactors. 
D) products.

Question 10

In general,decreased body temperature causes the rate of enzymatic reactions to decrease.

Accepted Answer

A) True 
 B)False

Question 11

FAD and NAD are coenzymes that act as _______ in biochemical reactions.

Accepted Answer

A) hydrogen carriers 
B) oxygen carriers 
C) energy carriers 
D) vitamin carriers 
A) hydrogen carriers 
B) oxygen carriers 
C) energy carriers 
D) vitamin carriers

Question 12

During a chemical reaction,a catalyst increases the rate at which the reaction occurs.

Accepted Answer

A) True 
 B)False

Question 13

A ______________ is the amount of heat required to raise the temperature of one cubic centimeter of water one degree on the Celsius scale.

Accepted Answer

A) specific heat 
B) meter 
C) boiling point 
D) calorie 
A) specific heat 
B) meter 
C) boiling point 
D) calorie

Question 14

Dehydration synthesis reactions are catalyzed by

Accepted Answer

A) dehydrogenases. 
B) hydrolases. 
C) isomerases. 
D) synthases. 
A) dehydrogenases. 
B) hydrolases. 
C) isomerases. 
D) synthases.

Question 15

Another name for the first law of thermodynamics is the law of conservation of energy.

Accepted Answer

A) True 
 B)False

Question 16

In an enzymatic reaction,when temperature is increased past the point of "optimal temperature," the enzyme starts to

Accepted Answer

A) increase its catalytic activity. 
B) reduce its catalytic activity. 
C) increase its allosteric properties. 
D) increase product formation. 
A) increase its catalytic activity. 
B) reduce its catalytic activity. 
C) increase its allosteric properties. 
D) increase product formation.

Question 17

Oxidation means that oxygen is part of the reaction.

Accepted Answer

A) True 
 B)False

Question 18

In response to increased concentration of the final product of a metabolic pathway

Accepted Answer

A) all enzymes in the pathway become more active. 
B) intermediate enzymes become more active. 
C) the final product acts as an allosteric regulator of one enzyme in the pathway. 
D) all enzymes in the pathway become less active. 
A) all enzymes in the pathway become more active. 
B) intermediate enzymes become more active. 
C) the final product acts as an allosteric regulator of one enzyme in the pathway. 
D) all enzymes in the pathway become less active.

Question 19

A reducing agent donates electrons to a molecule.

Accepted Answer

A) True 
 B)False

Question 20

Abnormally high concentration of the BB form of creatine phosphokinase is associated with a myocardial infarction.

Accepted Answer

A) True 
 B)False

The phosphatase found in bone would have a pH optimum that is ______________ than the pH optimum of the phosphatase found in the prostate gland.

A food calorie (Calorie)is equivalent to which metric measurement of heat?

Energy can change forms,but cannot be created or destroyed is a statement of the

FAD is derived from vitamin

Most enzymatic reactions in the body are one step processes.

Which of the following is NOT a characteristic of a catalyst?

Which of the following is NOT true of catalysts?

Which of the following does NOT affect the activity of an enzyme?

Reactant molecules of enzyme action are called

In general,decreased body temperature causes the rate of enzymatic reactions to decrease.

FAD and NAD are coenzymes that act as _______ in biochemical reactions.

During a chemical reaction,a catalyst increases the rate at which the reaction occurs.

A ______________ is the amount of heat required to raise the temperature of one cubic centimeter of water one degree on the Celsius scale.

Dehydration synthesis reactions are catalyzed by

Another name for the first law of thermodynamics is the law of conservation of energy.

In an enzymatic reaction,when temperature is increased past the point of "optimal temperature," the enzyme starts to

Oxidation means that oxygen is part of the reaction.

In response to increased concentration of the final product of a metabolic pathway

A reducing agent donates electrons to a molecule.

Abnormally high concentration of the BB form of creatine phosphokinase is associated with a myocardial infarction.

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Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

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Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

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Exam 4: Enzymes and Energy

The phosphatase found in bone would have a pH optimum that is ______________ than the pH optimum of the phosphatase found in the prostate gland.

A food calorie (Calorie)is equivalent to which metric measurement of heat?

Energy can change forms,but cannot be created or destroyed is a statement of the

FAD is derived from vitamin

Most enzymatic reactions in the body are one step processes.

Which of the following is NOT a characteristic of a catalyst?

Which of the following is NOT true of catalysts?

Which of the following does NOT affect the activity of an enzyme?

Reactant molecules of enzyme action are called

In general,decreased body temperature causes the rate of enzymatic reactions to decrease.

FAD and NAD are coenzymes that act as _______ in biochemical reactions.

During a chemical reaction,a catalyst increases the rate at which the reaction occurs.

A ______________ is the amount of heat required to raise the temperature of one cubic centimeter of water one degree on the Celsius scale.

Dehydration synthesis reactions are catalyzed by

Another name for the first law of thermodynamics is the law of conservation of energy.

In an enzymatic reaction,when temperature is increased past the point of "optimal temperature," the enzyme starts to

Oxidation means that oxygen is part of the reaction.

In response to increased concentration of the final product of a metabolic pathway

A reducing agent donates electrons to a molecule.

Abnormally high concentration of the BB form of creatine phosphokinase is associated with a myocardial infarction.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters