Question 1

The terminal electron acceptor in aerobic respiration is water, which is broken down to hydrogen and oxygen.

Accepted Answer

A) True 
 B)False

Question 2

You explain to the child's parents that the role of the mitochondria is

Accepted Answer

A)  to transport proteins to the cytoplasmic membrane. 
B)  to produce the energy currency, ATP, for a cell. 
C)  to break down toxins in the body. 
D)  to initiate DNA replication during cell division. 
E)  to protect the body from bacterial invaders. 
A)  to transport proteins to the cytoplasmic membrane. 
B)  to produce the energy currency, ATP, for a cell. 
C)  to break down toxins in the body. 
D)  to initiate DNA replication during cell division. 
E)  to protect the body from bacterial invaders.

Question 3

Enzymes act on ________ to generate ________.

Accepted Answer

A)  products, catabolites 
B)  substrates, products 
C)  products, substrates 
D)  glucose, anabolites 
E)  ATP, glucose 
A)  products, catabolites 
B)  substrates, products 
C)  products, substrates 
D)  glucose, anabolites 
E)  ATP, glucose

Question 4

The name given to the reaction involving addition of electrons or hydrogen atoms to a compound is

Accepted Answer

A)  reduction. 
B)  glycolysis. 
C)  oxidation. 
D)  metabolism. 
E)  respiration. 
A)  reduction. 
B)  glycolysis. 
C)  oxidation. 
D)  metabolism. 
E)  respiration.

Question 5

Proton motive force

Accepted Answer

A)  is used to synthesize ATP. 
B)  is used to synthesize ADP. 
C)  is used to produce NADH. 
D)  is used to produce FADH₂. 
E)  uses ADP and ATP. 
A)  is used to synthesize ATP. 
B)  is used to synthesize ADP. 
C)  is used to produce NADH. 
D)  is used to produce FADH₂. 
E)  uses ADP and ATP.

Question 6

The linking of N-acetyleglucosamine, N-acetylemuramic acid, and tetrapeptides is a(n) ________ reaction that ________ ATP.

Accepted Answer

A)  catabolic; releases 
B)  anabolic; requires 
C)  fermentation; releases 
D)  catabolic; requires 
E)  degradation; releases 
A)  catabolic; releases 
B)  anabolic; requires 
C)  fermentation; releases 
D)  catabolic; requires 
E)  degradation; releases

Question 7

H₂S and NH₃ may be used by some prokaryotes as energy sources.

Accepted Answer

A) True 
 B)False

Question 8

Competitive inhibition usually involves both substrate and inhibitor competing for binding at the allosteric site.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following processes generates the greatest amount of energy?

Accepted Answer

A)  Fermentation 
B)  Aerobic respiration 
C)  Krebs cycle 
D)  Glycolysis 
E)  Phosphorylation 
A)  Fermentation 
B)  Aerobic respiration 
C)  Krebs cycle 
D)  Glycolysis 
E)  Phosphorylation

Question 10

Which is True regarding the three central metabolic pathways?

Accepted Answer

A)  They form high-energy bonds that can be used to synthesize ATP. 
B)  They form intermediates that can be oxidized to generate reducing power. 
C)  They form precursor metabolites. 
D)  All of the answer choices are correct. 
E)  None of the answer choices is correct. 
A)  They form high-energy bonds that can be used to synthesize ATP. 
B)  They form intermediates that can be oxidized to generate reducing power. 
C)  They form precursor metabolites. 
D)  All of the answer choices are correct. 
E)  None of the answer choices is correct.

Question 11

Enzymes act as

Accepted Answer

A)  substrates. 
B)  catalysts. 
C)  products. 
D)  catabolites. 
E)  reducters. 
A)  substrates. 
B)  catalysts. 
C)  products. 
D)  catabolites. 
E)  reducters.

Question 12

The electron transport chain is a group of membrane-embedded carriers that pass electrons from one to the next, while simultaneously pumping ________ across the membrane, generating a(n) ________.

Accepted Answer

A)  glucose; proton motive force 
B)  hydrogen ions; electron gradient 
C)  electrons; ATP gradient 
D)  hydrogen ions; proton motive force 
E)  protons; electron motive force 
A)  glucose; proton motive force 
B)  hydrogen ions; electron gradient 
C)  electrons; ATP gradient 
D)  hydrogen ions; proton motive force 
E)  protons; electron motive force

Question 13

The most common starting pathway for the breakdown of sugars is

Accepted Answer

A)  respiration. 
B)  fermentation. 
C)  oxidation. 
D)  glycolysis. 
E)  anabolism. 
A)  respiration. 
B)  fermentation. 
C)  oxidation. 
D)  glycolysis. 
E)  anabolism.

Exam 6: Microbial Metabolism: Fueling Cell Growth

The terminal electron acceptor in aerobic respiration is water, which is broken down to hydrogen and oxygen.

You explain to the child's parents that the role of the mitochondria is

Enzymes act on ________ to generate ________.

The name given to the reaction involving addition of electrons or hydrogen atoms to a compound is

Proton motive force

The linking of N-acetyleglucosamine, N-acetylemuramic acid, and tetrapeptides is a(n) ________ reaction that ________ ATP.

H₂S and NH₃ may be used by some prokaryotes as energy sources.

Competitive inhibition usually involves both substrate and inhibitor competing for binding at the allosteric site.

Which of the following processes generates the greatest amount of energy?

Which is True regarding the three central metabolic pathways?

Enzymes act as

The electron transport chain is a group of membrane-embedded carriers that pass electrons from one to the next, while simultaneously pumping ________ across the membrane, generating a(n) ________.

The most common starting pathway for the breakdown of sugars is

Humans and the Microbial World

The Molecules of Life

Microscopy and Cell Structure

Dynamics of Microbial Growth

Control of Microbial Growth

The Blueprint of Life, from DNA to Protein

Bacterial Genetics

Biotechnology

Identifying and Classifying Microorganisms

The Diversity of Bacteria and Archaea

The Eukaryotic Members of the Microbial World

Viruses, Viroids, and Prions

The Innate Immune Response

The Adaptive Immune Response

Host-Microbe Interactions

Immunological Disorders

Applications of Immune Responses

Epidemiology

Antimicrobial Medications

Respiratory System Infections

Skin Infections

Wound Infections

Digestive System Infections

Blood and Lymphatic Infections

Nervous System Infections

Genitourinary Tract Infections

Microbial Ecology

Environmental Microbiology: Treatment of Water, Wastes, and Polluted Habitats

Food Microbiology

Filters

Enzymes act on to generate .

The linking of N-acetyleglucosamine, N-acetylemuramic acid, and tetrapeptides is a(n) reaction that ATP.

The electron transport chain is a group of membrane-embedded carriers that pass electrons from one to the next, while simultaneously pumping across the membrane, generating a(n) .