Question 1

Oxygen-containing ions are used by some bacteria as final electron acceptors.

Accepted Answer

A) True 
 B)False  True

Question 2

Each NADH that enters the electron transport system gives rise to a maximum of ________ ATP.

Accepted Answer

A) 2 
B) 3 
C) 24 
D) 36 
E) 38 
A) 2 
B) 3 
C) 24 
D) 36 
E) 38 B

Question 3

The fermentation process always produces alcohol as at least one of its products.

Accepted Answer

A) True 
 B)False  False

Question 4

A newborn infant screening yields a positive result for biotinidase deficiency. The RN prepares education for the patient's parents regarding the role of enzymes in metabolism and this enzyme deficiency disorder.
-Based upon knowledge of enzymes and metabolic processes,which of the following outcomes should the parents expect if the deficiency is not treated?

Accepted Answer

A) No effect on the patient's health 
B) Reduced immunity in adulthood in the patient 
C) Mildly impaired vision in the patient 
D) Permanent damage to organ systems and/or death of the patient 
A) No effect on the patient's health 
B) Reduced immunity in adulthood in the patient 
C) Mildly impaired vision in the patient 
D) Permanent damage to organ systems and/or death of the patient

Question 5

Anabolic pathways are associated with a net gain of ATP,whereas catabolic pathways,for example,glycolysis,are associated with a net ATP breakdown.

Accepted Answer

A) True 
 B)False

Question 6

Enzymes that are always present,regardless of the amount of substrate,are ________.

Accepted Answer

A) apoenzymes 
B) axoenzymes 
C) constitutive enzymes. 
D) regulated enzymes 
E) endoenzymes 
A) apoenzymes 
B) axoenzymes 
C) constitutive enzymes. 
D) regulated enzymes 
E) endoenzymes

Question 7

Which of the following is not involved in the step that occurs between glycolysis and the Krebs cycle?

Accepted Answer

A) NADH is formed 
B) CO₂ is released 
C) Coenzyme A attaches to an acetyl group 
D) Pyruvic acid accepts electrons from NADH 
A) NADH is formed 
B) CO₂ is released 
C) Coenzyme A attaches to an acetyl group 
D) Pyruvic acid accepts electrons from NADH

Question 8

Enzymes are ________.

Accepted Answer

A) broken down in reactions that require energy input 
B) proteins that function as catalysts 
C) used up in chemical reactions 
D) not needed for catabolic reactions 
E) All of the choices are correct 
A) broken down in reactions that require energy input 
B) proteins that function as catalysts 
C) used up in chemical reactions 
D) not needed for catabolic reactions 
E) All of the choices are correct

Question 9

Each of the following is true of enzymes except ________.

Accepted Answer

A) they can be used over and over 
B) they may or may not require cofactors 
C) their active site is specific to the substrate 
D) they increase the initial energy required for a reaction to start 
E) All of the choices are true of enzymes 
A) they can be used over and over 
B) they may or may not require cofactors 
C) their active site is specific to the substrate 
D) they increase the initial energy required for a reaction to start 
E) All of the choices are true of enzymes

Question 10

As the electron transport carriers shuttle electrons,they actively pump ________ into the outer membrane compartment setting up a concentration gradient called the proton motive force.

Accepted Answer

A) ATP 
B) phosphate 
C) hydrogen ions 
D) oxygen 
E) NADH 
A) ATP 
B) phosphate 
C) hydrogen ions 
D) oxygen 
E) NADH

Question 11

The hydrolysis of two ATP molecules at the start of glycolysis is analogous to ________.

Accepted Answer

A) striking a match to ignite a pile of burning firewood 
B) combining butter,sugar,flour and eggs to make a cake 
C) building a house 
D) kicking a soccer ball and scoring a goal 
A) striking a match to ignite a pile of burning firewood 
B) combining butter,sugar,flour and eggs to make a cake 
C) building a house 
D) kicking a soccer ball and scoring a goal

Question 12

Glycolysis ________.

Accepted Answer

A) uses 2 ATPs,produces 2 ATPs,and requires oxygen 
B) uses 2 ATPs,produces 4 ATPs,and requires oxygen 
C) uses 2 ATPs,produces 4 ATPs,without using oxygen 
D) uses 2 ATPs,produces 2 ATPs,without using oxygen 
E) None of the choices are correct. 
A) uses 2 ATPs,produces 2 ATPs,and requires oxygen 
B) uses 2 ATPs,produces 4 ATPs,and requires oxygen 
C) uses 2 ATPs,produces 4 ATPs,without using oxygen 
D) uses 2 ATPs,produces 2 ATPs,without using oxygen 
E) None of the choices are correct.

Question 13

In bacterial cells,when glucose is completely oxidized by all the pathways of aerobic cellular respiration,what is the maximum number of ATP generated?

Accepted Answer

A) 2 ATP 
B) 3 ATP 
C) 24 ATP 
D) 38 ATP 
E) 42 ATP 
A) 2 ATP 
B) 3 ATP 
C) 24 ATP 
D) 38 ATP 
E) 42 ATP

Question 14

When enzyme action stops due to a buildup of end product,this control is called ________.

Accepted Answer

A) feedback inhibition (negative feedback) 
B) competitive inhibition 
C) enzyme induction 
D) enzyme repression 
E) None of the choices are correct. 
A) feedback inhibition (negative feedback) 
B) competitive inhibition 
C) enzyme induction 
D) enzyme repression 
E) None of the choices are correct.

Question 15

A newborn infant screening yields a positive result for biotinidase deficiency. The RN prepares education for the patient's parents regarding the role of enzymes in metabolism and this enzyme deficiency disorder.
-Inborn errors of metabolism ________.

Accepted Answer

A) are caused by infectious agents 
B) produce very specific signs and symptoms,making them easy to diagnose 
C) cannot be diagnosed by DNA testing 
D) may not become evident until adulthood 
A) are caused by infectious agents 
B) produce very specific signs and symptoms,making them easy to diagnose 
C) cannot be diagnosed by DNA testing 
D) may not become evident until adulthood

Question 16

A patient with anorexia nervosa is admitted to the hospital for medical treatment. The patient presents with severe malnutrition and evidence of organ dysfunction. Labs are drawn and continuous intravenous (IV) fluids are initiated.
-The RN educates the patient and her family about cellular metabolism.Which of the following processes is common to fermentation,anaerobic respiration,and aerobic respiration?

Accepted Answer

A) Glycolysis 
B) The Krebs cycle 
C) The electron transport system 
D) Glycosylation 
A) Glycolysis 
B) The Krebs cycle 
C) The electron transport system 
D) Glycosylation

Question 17

Formation of peptide bonds between amino acids to build a polypeptide would be called ________.

Accepted Answer

A) anabolism 
B) phosphorylation 
C) fermentation 
D) exergonic 
E) glycolysis 
A) anabolism 
B) phosphorylation 
C) fermentation 
D) exergonic 
E) glycolysis

Question 18

The property of organisms to integrate catabolic and anabolic pathways to improve cell efficiency is called ________.

Accepted Answer

A) metabolism 
B) amphibolism 
C) anabolism 
D) catabolism 
E) biosynthesis 
A) metabolism 
B) amphibolism 
C) anabolism 
D) catabolism 
E) biosynthesis

Question 19

Building block molecules for biosynthetic pathways come from the cell's catabolic pathways and from the environment.

Accepted Answer

A) True 
 B)False

Question 20

The complete combustion of methane is written CH₄ + 2O₂ → CO₂ + 2H₂O.In this reaction,the methane is ________ and the oxygen is ________.

Accepted Answer

A) oxidized; reduced 
B) reduced; oxidized 
C) phosphorylated; oxidized 
D) endergonic; exergonic 
A) oxidized; reduced 
B) reduced; oxidized 
C) phosphorylated; oxidized 
D) endergonic; exergonic

Oxygen-containing ions are used by some bacteria as final electron acceptors.

Each NADH that enters the electron transport system gives rise to a maximum of ________ ATP.

The fermentation process always produces alcohol as at least one of its products.

Anabolic pathways are associated with a net gain of ATP,whereas catabolic pathways,for example,glycolysis,are associated with a net ATP breakdown.

Enzymes that are always present,regardless of the amount of substrate,are ________.

Which of the following is not involved in the step that occurs between glycolysis and the Krebs cycle?

Enzymes are ________.

Each of the following is true of enzymes except ________.

As the electron transport carriers shuttle electrons,they actively pump ________ into the outer membrane compartment setting up a concentration gradient called the proton motive force.

The hydrolysis of two ATP molecules at the start of glycolysis is analogous to ________.

Glycolysis ________.

In bacterial cells,when glucose is completely oxidized by all the pathways of aerobic cellular respiration,what is the maximum number of ATP generated?

When enzyme action stops due to a buildup of end product,this control is called ________.

A newborn infant screening yields a positive result for biotinidase deficiency. The RN prepares education for the patient's parents regarding the role of enzymes in metabolism and this enzyme deficiency disorder. -Inborn errors of metabolism ________.

Formation of peptide bonds between amino acids to build a polypeptide would be called ________.

The property of organisms to integrate catabolic and anabolic pathways to improve cell efficiency is called ________.

Building block molecules for biosynthetic pathways come from the cell's catabolic pathways and from the environment.

The complete combustion of methane is written CH₄ + 2O₂ → CO₂ + 2H₂O.In this reaction,the methane is and the oxygen is .

Introduction to Microbes and Their Building Blocks

Tools of the Laboratory: Methods for the Culturing and Microscopic Analysis of Microorganisms

Bacteria and Archaea

Eukaryotic Cells and Microorganisms

Viral Structure and Multiplication

Microbial Nutrition and Growth

Microbial Genetics and Genetic Engineering

Physical and Chemical Control of Microbes

Antimicrobial Treatment

Interactions Between Microbes and Humans

Host Defenses I: Overview and Nonspecific Defenses

Host Defenses II: Specific Immunity and Immunization

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory Systems

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

One Health: the Interconnected Health of the Environment, humans, and Other Animals

Filters

Exam 7: Microbial Metabolism

Oxygen-containing ions are used by some bacteria as final electron acceptors.

Each NADH that enters the electron transport system gives rise to a maximum of ________ ATP.

The fermentation process always produces alcohol as at least one of its products.

Anabolic pathways are associated with a net gain of ATP,whereas catabolic pathways,for example,glycolysis,are associated with a net ATP breakdown.

Enzymes that are always present,regardless of the amount of substrate,are ________.

Which of the following is not involved in the step that occurs between glycolysis and the Krebs cycle?

Enzymes are ________.

Each of the following is true of enzymes except ________.

As the electron transport carriers shuttle electrons,they actively pump ________ into the outer membrane compartment setting up a concentration gradient called the proton motive force.

The hydrolysis of two ATP molecules at the start of glycolysis is analogous to ________.

Glycolysis ________.

In bacterial cells,when glucose is completely oxidized by all the pathways of aerobic cellular respiration,what is the maximum number of ATP generated?

When enzyme action stops due to a buildup of end product,this control is called ________.

A newborn infant screening yields a positive result for biotinidase deficiency. The RN prepares education for the patient's parents regarding the role of enzymes in metabolism and this enzyme deficiency disorder. -Inborn errors of metabolism ________.

Formation of peptide bonds between amino acids to build a polypeptide would be called ________.

The property of organisms to integrate catabolic and anabolic pathways to improve cell efficiency is called ________.

Building block molecules for biosynthetic pathways come from the cell's catabolic pathways and from the environment.

The complete combustion of methane is written CH₄ + 2O₂ → CO₂ + 2H₂O.In this reaction,the methane is ________ and the oxygen is ________.

Introduction to Microbes and Their Building Blocks

Tools of the Laboratory: Methods for the Culturing and Microscopic Analysis of Microorganisms

Bacteria and Archaea

Eukaryotic Cells and Microorganisms

Viral Structure and Multiplication

Microbial Nutrition and Growth

Microbial Genetics and Genetic Engineering

Physical and Chemical Control of Microbes

Antimicrobial Treatment

Interactions Between Microbes and Humans

Host Defenses I: Overview and Nonspecific Defenses

Host Defenses II: Specific Immunity and Immunization

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory Systems

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

One Health: the Interconnected Health of the Environment, humans, and Other Animals

Filters

The complete combustion of methane is written CH₄ + 2O₂ → CO₂ + 2H₂O.In this reaction,the methane is and the oxygen is .