Test Bank for Microbiology with Diseases by Body
System 5th Edition, Bauman | Complete Guide
Which of these is considered to be the smallest unit of life?
a) the nucleus
b) the mitochondrion
c) a plasmid
d) the cell
e) a prion
d) The smallest unit of life is the cell.
The study of microbiology includes all of the following EXCEPT _____ .
a) plants
b) viruses
c) bacteria
d) fungi
e) algae
a) The study of microbiology includes all of the following EXCEPT plants.
Read More
What percent of the dry weight of the cell is composed of DNA?
a) 2 - 5
b) 12 -15
c) 25 - 30
d) 35 -40
e) 50 - 55
a) 2-5 % of the dry weight of the cell is composed of DNA
What are the three Domains of life?
a) Monera, Animals, and Plants
b) Bacteria, Archaea, and Eukarya
c) Prokaryote, Eukaryote, and Fungi
,d) Animals, Plants, and Bacteria
e) Prokaryote, Eukaryote, Archaea
b) Bacteria, Achaea, and Eukarya are the three Domains of life.
Which of the characteristics of life is not displayed by any individual organism?
a) metabolism
b) growth
c) reproduction
d) evolution
e) response
f) homeostasis
d) Evolution is NOT a characteristic of life displayed by any individual organism.
Viruses are considered "nonliving" for all of the following reasons EXCEPT that they:
a) need a host cell for replication.
b) are metabolically inert.
c) possess DNA that can evolve.
d) do not maintain internal homeostasis.
e) are not responsive to environmental changes.
c) Viruses are considered "nonliving" for all of the following reasons EXCEPT that
they possess DNA that can evolve.
Which is a macromolecular difference between the Domains Bacteria and Archaea?
a) Archaea contain a nucleus and Bacteria do not.
b) Bacteria contain DNA and Archaea do not.
c) Bacteria contain a plasma membrane and Archaea do not.
d) Bacteria cell wall contains peptidoglycan and the Archaea cell wall does not.
e) Archaea contain multiple types of RNA polymerase and Bacteria has only one type.
d) A macrobolecular difference between the Domains Bacteria and Archaea is
that Bacteria cell wall contains peptidoglycan and the Archaea cell wall does not.
The size and shapes of Archaean cells suggest relatedness to:
a) Bacteria
b) Prokaryotes
c) Eukaryotes
d) All other life forms
e) No other life forms; their sizes and shapes are unique
a) the size and shapes of Archaean cells suggest relatedness to Bacteria
Phosholipid structure in Archaean cells suggests relatedness to:
a) Bacteria
b) Prokaryotes
c) Eukaryotes
d) All other life forms
e) No other life forms; their structure is unique
,e) Phospholipid structure in Archaean cells suggests relatedness to no other life
forms; their structure is unique
Which molecular tool most assisted in providing a more reliable way to verify the
assertions made by Woese et al in their 1990 paper on phylogeny?
a) Polymerase chain reaction
b) RNA to DNA conversion using reverse transcriptase
c) RNA sequencing
d) DNA sequencing
e) Protein sequencing
a) Polymerase chain reaction was the molecular tool used to provide a more reliable
way to verify the assertions made by Woese et al in their 1990 paper on phylogeny
If E. coli DNA polymerase, not Taq polymerase were used in polymerase chain reaction
assays to amplify SSUrRNA gene sequences, we would expect to see:
a) increased short fragment DNA sequences
b) decreased short fragment DNA sequences
c) the same number of short fragment DNA sequences
d) increasd long fragment DNA sequences
e) decreased long fragment DNA sequences
b) if E. coli DNA polymerase were used in polymerase chain traction assays to amplify
SSUrRNA gene sequences, we would expect to see decreased short fragment DNA
sequences.
Figure B1.1 (other side of card) represents an artist's attempt to illustrate the process of
PCR. What is the most significant error you notice in this figure?
a) DNA strands are not fully denatured
b) Primers are not annealed
c) PCR products cannot separate from template DNA
d) Taq polymerase is not shown in the illustration
e) dNTPs are not shown in the illustration
a) DNA strands are not fully denatured
Select the answer choice with the correct order in which these structures evolved in
plant cells:
a) mitochondria, cell walls, chloroplasts
b) mitochondria, chloroplasts, cell walls
c) chloroplasts, mitochondria, cell walls
d) chloroplasts, cell walls, mitochondria
e) cell walls, mitochondria, chloroplasts
, b) The correct order in which structures evolved in plant cells is: mitrochondria ->
chloroplats -> cell walls
Approximately when did primitive cells first appear on Earth?
a) 1 billion years ago
b) 2 billion years ago
c) 2.5 billion years ago
d) 3 billion years ago
e) 3.8 billion years ago
e) primitive cells first appeared on Earth 3.8 billion years ago
Which of these are fossilized microbial mats containing photosynthetic bacteria?
a) Stromatolites
b) Biofilms
c) Resin
d) Cyanobacteria
e) Stalagmites
a) stromatolites are fossilized microbial mats containing photosynthetic bacteria
Which statement below is FALSE concerning the atmosphere of early earth?
a) The atmosphere was a reducing atmosphere.
b) Oxygen was present in very minute amounts.
c) Carbon dioxide was present in very minute amounts.
d) Hydrogen gas was present.
c) The atmosphere of early earth contained carbon dioxide present in high
concentration, not very minute amounts
The discovery of ribozymes provides evidence that life on the early Earth may have
been based on:
a) DNA.
b) proteins.
c) RNA.
d) lipids.
e) polysaccharides.
c) the discovery of ribozymes provides evidence that life on the early Earch may have
been based on RNA
What is the Endosymbiotic Theory is used to explain?
a) the rapid evolution of viruses
b) antiphagocytic abilities of parasitic protozoa
c) emergence of cell walls
d) presence of mitochondria in eukaryotes
e) development of the nucleus in eukaryotes
d) the Endosymbiotic Theory is used to explain presence of mitochondria in
eukaryotes
System 5th Edition, Bauman | Complete Guide
Which of these is considered to be the smallest unit of life?
a) the nucleus
b) the mitochondrion
c) a plasmid
d) the cell
e) a prion
d) The smallest unit of life is the cell.
The study of microbiology includes all of the following EXCEPT _____ .
a) plants
b) viruses
c) bacteria
d) fungi
e) algae
a) The study of microbiology includes all of the following EXCEPT plants.
Read More
What percent of the dry weight of the cell is composed of DNA?
a) 2 - 5
b) 12 -15
c) 25 - 30
d) 35 -40
e) 50 - 55
a) 2-5 % of the dry weight of the cell is composed of DNA
What are the three Domains of life?
a) Monera, Animals, and Plants
b) Bacteria, Archaea, and Eukarya
c) Prokaryote, Eukaryote, and Fungi
,d) Animals, Plants, and Bacteria
e) Prokaryote, Eukaryote, Archaea
b) Bacteria, Achaea, and Eukarya are the three Domains of life.
Which of the characteristics of life is not displayed by any individual organism?
a) metabolism
b) growth
c) reproduction
d) evolution
e) response
f) homeostasis
d) Evolution is NOT a characteristic of life displayed by any individual organism.
Viruses are considered "nonliving" for all of the following reasons EXCEPT that they:
a) need a host cell for replication.
b) are metabolically inert.
c) possess DNA that can evolve.
d) do not maintain internal homeostasis.
e) are not responsive to environmental changes.
c) Viruses are considered "nonliving" for all of the following reasons EXCEPT that
they possess DNA that can evolve.
Which is a macromolecular difference between the Domains Bacteria and Archaea?
a) Archaea contain a nucleus and Bacteria do not.
b) Bacteria contain DNA and Archaea do not.
c) Bacteria contain a plasma membrane and Archaea do not.
d) Bacteria cell wall contains peptidoglycan and the Archaea cell wall does not.
e) Archaea contain multiple types of RNA polymerase and Bacteria has only one type.
d) A macrobolecular difference between the Domains Bacteria and Archaea is
that Bacteria cell wall contains peptidoglycan and the Archaea cell wall does not.
The size and shapes of Archaean cells suggest relatedness to:
a) Bacteria
b) Prokaryotes
c) Eukaryotes
d) All other life forms
e) No other life forms; their sizes and shapes are unique
a) the size and shapes of Archaean cells suggest relatedness to Bacteria
Phosholipid structure in Archaean cells suggests relatedness to:
a) Bacteria
b) Prokaryotes
c) Eukaryotes
d) All other life forms
e) No other life forms; their structure is unique
,e) Phospholipid structure in Archaean cells suggests relatedness to no other life
forms; their structure is unique
Which molecular tool most assisted in providing a more reliable way to verify the
assertions made by Woese et al in their 1990 paper on phylogeny?
a) Polymerase chain reaction
b) RNA to DNA conversion using reverse transcriptase
c) RNA sequencing
d) DNA sequencing
e) Protein sequencing
a) Polymerase chain reaction was the molecular tool used to provide a more reliable
way to verify the assertions made by Woese et al in their 1990 paper on phylogeny
If E. coli DNA polymerase, not Taq polymerase were used in polymerase chain reaction
assays to amplify SSUrRNA gene sequences, we would expect to see:
a) increased short fragment DNA sequences
b) decreased short fragment DNA sequences
c) the same number of short fragment DNA sequences
d) increasd long fragment DNA sequences
e) decreased long fragment DNA sequences
b) if E. coli DNA polymerase were used in polymerase chain traction assays to amplify
SSUrRNA gene sequences, we would expect to see decreased short fragment DNA
sequences.
Figure B1.1 (other side of card) represents an artist's attempt to illustrate the process of
PCR. What is the most significant error you notice in this figure?
a) DNA strands are not fully denatured
b) Primers are not annealed
c) PCR products cannot separate from template DNA
d) Taq polymerase is not shown in the illustration
e) dNTPs are not shown in the illustration
a) DNA strands are not fully denatured
Select the answer choice with the correct order in which these structures evolved in
plant cells:
a) mitochondria, cell walls, chloroplasts
b) mitochondria, chloroplasts, cell walls
c) chloroplasts, mitochondria, cell walls
d) chloroplasts, cell walls, mitochondria
e) cell walls, mitochondria, chloroplasts
, b) The correct order in which structures evolved in plant cells is: mitrochondria ->
chloroplats -> cell walls
Approximately when did primitive cells first appear on Earth?
a) 1 billion years ago
b) 2 billion years ago
c) 2.5 billion years ago
d) 3 billion years ago
e) 3.8 billion years ago
e) primitive cells first appeared on Earth 3.8 billion years ago
Which of these are fossilized microbial mats containing photosynthetic bacteria?
a) Stromatolites
b) Biofilms
c) Resin
d) Cyanobacteria
e) Stalagmites
a) stromatolites are fossilized microbial mats containing photosynthetic bacteria
Which statement below is FALSE concerning the atmosphere of early earth?
a) The atmosphere was a reducing atmosphere.
b) Oxygen was present in very minute amounts.
c) Carbon dioxide was present in very minute amounts.
d) Hydrogen gas was present.
c) The atmosphere of early earth contained carbon dioxide present in high
concentration, not very minute amounts
The discovery of ribozymes provides evidence that life on the early Earth may have
been based on:
a) DNA.
b) proteins.
c) RNA.
d) lipids.
e) polysaccharides.
c) the discovery of ribozymes provides evidence that life on the early Earch may have
been based on RNA
What is the Endosymbiotic Theory is used to explain?
a) the rapid evolution of viruses
b) antiphagocytic abilities of parasitic protozoa
c) emergence of cell walls
d) presence of mitochondria in eukaryotes
e) development of the nucleus in eukaryotes
d) the Endosymbiotic Theory is used to explain presence of mitochondria in
eukaryotes
