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Deck 23: Bacteria and Archaea
ملء الشاشة (f)
سؤال
Figure 23-1 
In the diagram of a bacterial cell in Figure 23-1, which type of cell is represented?
A) a Gram-positive bacterium
B) any prokaryotic cell
C) an archaeal cell
D) a Gram-negative bacterium
In the diagram of a bacterial cell in Figure 23-1, which type of cell is represented?
A) a Gram-positive bacterium
B) any prokaryotic cell
C) an archaeal cell
D) a Gram-negative bacterium
سؤال
Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which numbers identify structures that are found in all prokaryotes?
A) 5 and 9
B) 3 and 4
C) 2 and 4
D) 1 and 5
In the diagram of a bacterial cell in Figure 23-1, which numbers identify structures that are found in all prokaryotes?
A) 5 and 9
B) 3 and 4
C) 2 and 4
D) 1 and 5
سؤال
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Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that carries out protein synthesis?
A) 2
B) 4
C) 5
D) 9
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that carries out protein synthesis?
A) 2
B) 4
C) 5
D) 9
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Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies a structure that is composed of polysaccharides?
A) 9
B) 6
C) 3
D) 1
In the diagram of a bacterial cell in Figure 23-1, which number identifies a structure that is composed of polysaccharides?
A) 9
B) 6
C) 3
D) 1
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Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies a structure that aids in attachment?
A) 8
B) 3
C) 2
D) 1
In the diagram of a bacterial cell in Figure 23-1, which number identifies a structure that aids in attachment?
A) 8
B) 3
C) 2
D) 1
سؤال
سؤال
Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that carries supplemental genetic information?
A) 1
B) 2
C) 4
D) 5
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that carries supplemental genetic information?
A) 1
B) 2
C) 4
D) 5
سؤال
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Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that facilitates movement?
A) 5
B) 4
C) 3
D) 1
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that facilitates movement?
A) 5
B) 4
C) 3
D) 1
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Figure 23-2 
In the phylogenetic tree in Figure 23-2, which branch identifies the common ancestor of all modern organisms?
A) branch A
B) branch B
C) branch C
D) branch D
In the phylogenetic tree in Figure 23-2, which branch identifies the common ancestor of all modern organisms?
A) branch A
B) branch B
C) branch C
D) branch D
سؤال
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Figure 23-2
In the phylogenetic tree in Figure 23-2, which branch identifies a kingdom?
A) branch B
B) branch C
C) branch D
D) branch E
In the phylogenetic tree in Figure 23-2, which branch identifies a kingdom?
A) branch B
B) branch C
C) branch D
D) branch E
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Figure 23-2
In the phylogenetic tree in Figure 23-2, which branch identifies Archaea?
A) branch A
B) branch B
C) branch D
D) branch E
In the phylogenetic tree in Figure 23-2, which branch identifies Archaea?
A) branch A
B) branch B
C) branch D
D) branch E
سؤال
سؤال
سؤال
Figure 23-2
In the phylogenetic tree in Figure 23-2, which branch identifies Eukarya?
A) branch A
B) branch C
C) branch D
D) branch E
In the phylogenetic tree in Figure 23-2, which branch identifies Eukarya?
A) branch A
B) branch C
C) branch D
D) branch E
سؤال
سؤال
Figure 23-2
In the phylogenetic tree in Figure 23-2, which branch identifies Bacteria?
A) branch B
B) branch C
C) branch D
D) branch E
In the phylogenetic tree in Figure 23-2, which branch identifies Bacteria?
A) branch B
B) branch C
C) branch D
D) branch E
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ملء الشاشة (f)
Deck 23: Bacteria and Archaea
1
Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which type of cell is represented?
A) a Gram-positive bacterium
B) any prokaryotic cell
C) an archaeal cell
D) a Gram-negative bacterium
In the diagram of a bacterial cell in Figure 23-1, which type of cell is represented?
A) a Gram-positive bacterium
B) any prokaryotic cell
C) an archaeal cell
D) a Gram-negative bacterium
D
2
Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which numbers identify structures that are found in all prokaryotes?
A) 5 and 9
B) 3 and 4
C) 2 and 4
D) 1 and 5
In the diagram of a bacterial cell in Figure 23-1, which numbers identify structures that are found in all prokaryotes?
A) 5 and 9
B) 3 and 4
C) 2 and 4
D) 1 and 5
A
3
Which type of cell contains a nuclear membrane?
A) Eukarya
B) Prokarya
C) Bacteria
D) Archaea
A) Eukarya
B) Prokarya
C) Bacteria
D) Archaea
A
4
Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that carries out protein synthesis?
A) 2
B) 4
C) 5
D) 9
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that carries out protein synthesis?
A) 2
B) 4
C) 5
D) 9
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5
Suppose you perform a Gram stain of a mixed culture of Gram-positive and Gram-negative cells, and afterward you realize that you omitted the iodine step. What would you expect to see if you observed the slide under the microscope?
A) pink Gram-positive and pink Gram-negative cells
B) purple Gram-positive and pink Gram-negative cells
C) colourless Gram-positive and pink Gram-negative cells
D) colourless Gram-positive and colourless Gram-negative cells
A) pink Gram-positive and pink Gram-negative cells
B) purple Gram-positive and pink Gram-negative cells
C) colourless Gram-positive and pink Gram-negative cells
D) colourless Gram-positive and colourless Gram-negative cells
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6
Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies a structure that is composed of polysaccharides?
A) 9
B) 6
C) 3
D) 1
In the diagram of a bacterial cell in Figure 23-1, which number identifies a structure that is composed of polysaccharides?
A) 9
B) 6
C) 3
D) 1
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7
Which of these terms refers to prokaryotes that are cylindrical?
A) cocci
B) spirilla
C) vibrios
D) bacilli
A) cocci
B) spirilla
C) vibrios
D) bacilli
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8
What is the composition of the genome of prokaryotes?
A) a single, linear, DNA molecule
B) a single, circular, DNA molecule
C) many linear DNA molecules
D) a single DNA molecule that may be circular or linear
A) a single, linear, DNA molecule
B) a single, circular, DNA molecule
C) many linear DNA molecules
D) a single DNA molecule that may be circular or linear
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9
Where is DNA found in prokaryotes?
A) only in the nucleolus
B) only in plasmids
C) in the nucleolus and plasmids
D) in the nucleoid and plasmids
A) only in the nucleolus
B) only in plasmids
C) in the nucleolus and plasmids
D) in the nucleoid and plasmids
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10
Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies a structure that aids in attachment?
A) 8
B) 3
C) 2
D) 1
In the diagram of a bacterial cell in Figure 23-1, which number identifies a structure that aids in attachment?
A) 8
B) 3
C) 2
D) 1
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11
Over 6000 species of prokaryotes have been identified. What percentage of the total number of prokaryotic species on Earth does this represent?
A) 1%
B) 10%
C) 30%
D) 90%
A) 1%
B) 10%
C) 30%
D) 90%
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12
Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that carries supplemental genetic information?
A) 1
B) 2
C) 4
D) 5
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that carries supplemental genetic information?
A) 1
B) 2
C) 4
D) 5
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13
What are the three domains of life?
A) animals, plants, and microorganisms
B) Archaebacteria, Eubacteria, and Eukaryota
C) Prokaryota, Eukaryota, and Protoctista
D) Archaea, Bacteria, and Eukarya
A) animals, plants, and microorganisms
B) Archaebacteria, Eubacteria, and Eukaryota
C) Prokaryota, Eukaryota, and Protoctista
D) Archaea, Bacteria, and Eukarya
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14
Figure 23-1
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that facilitates movement?
A) 5
B) 4
C) 3
D) 1
In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that facilitates movement?
A) 5
B) 4
C) 3
D) 1
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15
Which organisms stain as either Gram-positive or Gram-negative?
A) Bacteria
B) Archaea
C) Eukarya
A) Bacteria
B) Archaea
C) Eukarya
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16
Which of these statements best describes the type of bacteria found in your guts?
A) They are less similar to that of your family than to people unrelated to you, and are not unique to you.
B) They are less similar to that of your family than to people unrelated to you, but are still unique to you.
C) They are more similar to that of your family than to people unrelated to you, and are not unique to you.
D) They are more similar to that of your family than to people unrelated to you, but are still unique to you.
A) They are less similar to that of your family than to people unrelated to you, and are not unique to you.
B) They are less similar to that of your family than to people unrelated to you, but are still unique to you.
C) They are more similar to that of your family than to people unrelated to you, and are not unique to you.
D) They are more similar to that of your family than to people unrelated to you, but are still unique to you.
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17
What is the correct sequence of the reagents in the Gram stain technique?
A) safranin, crystal violet, alcohol, iodine
B) alcohol, iodine, crystal violet, safranin
C) crystal violet, iodine, alcohol, safranin
D) iodine, alcohol, safranin, crystal violet
A) safranin, crystal violet, alcohol, iodine
B) alcohol, iodine, crystal violet, safranin
C) crystal violet, iodine, alcohol, safranin
D) iodine, alcohol, safranin, crystal violet
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18
What is the major structural component of bacterial cell walls?
A) cellulose
B) arabinogalactan
C) peptidoglycan
D) proteoglycan
A) cellulose
B) arabinogalactan
C) peptidoglycan
D) proteoglycan
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19
What is the function of bacteria found in human guts?
A) to synthesize vitamin A
B) to synthesize vitamin C
C) to synthesize vitamin K
D) to synthesize vitamin B
A) to synthesize vitamin A
B) to synthesize vitamin C
C) to synthesize vitamin K
D) to synthesize vitamin B
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20
Which of the following contain cytoplasmic organelles?
A) Archaea
B) Eukarya
C) Bacteria
A) Archaea
B) Eukarya
C) Bacteria
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21
Which of the following contain prokaryotic organisms that are pathogenic to humans?
A) Archaea
B) Eukarya
C) Bacteria
D) Fungi
A) Archaea
B) Eukarya
C) Bacteria
D) Fungi
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22
Which type of metabolism is unique to prokaryotes?
A) chemoheterotroph
B) photoheterotroph
C) photolithotroph
D) photoautotroph
A) chemoheterotroph
B) photoheterotroph
C) photolithotroph
D) photoautotroph
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23
Which phrase describes a bacterial flagellum?
A) It is the same in composition as archaeal flagellum.
B) It is made of rigid helical proteins,
C) It enables bacteria to adhere to a surface.
D) It enables bacteria to move along a surface.
A) It is the same in composition as archaeal flagellum.
B) It is made of rigid helical proteins,
C) It enables bacteria to adhere to a surface.
D) It enables bacteria to move along a surface.
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24
Figure 23-2
In the phylogenetic tree in Figure 23-2, which branch identifies the common ancestor of all modern organisms?
A) branch A
B) branch B
C) branch C
D) branch D
In the phylogenetic tree in Figure 23-2, which branch identifies the common ancestor of all modern organisms?
A) branch A
B) branch B
C) branch C
D) branch D
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25
Which organisms obtain carbon from CO2?
A) auxotrophs
B) heterotrophs
C) autotrophs
D) chemotrophs
A) auxotrophs
B) heterotrophs
C) autotrophs
D) chemotrophs
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26
Which organisms obtain energy from sunlight?
A) chemotrophs
B) phototrophs
C) autotrophs
D) heterotrophs
A) chemotrophs
B) phototrophs
C) autotrophs
D) heterotrophs
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27
Which process contributes to prokaryotic genetic variability?
A) binary fission
B) horizontal gene transfer
C) nitrogen fixation
D) mutation
A) binary fission
B) horizontal gene transfer
C) nitrogen fixation
D) mutation
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28
Figure 23-2
In the phylogenetic tree in Figure 23-2, which branch identifies a kingdom?
A) branch B
B) branch C
C) branch D
D) branch E
In the phylogenetic tree in Figure 23-2, which branch identifies a kingdom?
A) branch B
B) branch C
C) branch D
D) branch E
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29
Which bacteria produce the botulism toxin?
A) Clostridium
B) Salmonella
C) Escherichia
D) Staphylococcus
A) Clostridium
B) Salmonella
C) Escherichia
D) Staphylococcus
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30
Which type of bacteria grows in either the presence or the absence of oxygen?
A) obligate aerobes and obligate anaerobes
B) facultative anaerobes only
C) obligate anaerobes and facultative anaerobes
D) obligate anaerobes only
A) obligate aerobes and obligate anaerobes
B) facultative anaerobes only
C) obligate anaerobes and facultative anaerobes
D) obligate anaerobes only
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31
Which of the following characterizes Gram-positive bacteria?
A) the presence of an outer membrane
B) the absence of ribosomes
C) the presence of a thick cell wall
D) the absence of a cell wall
A) the presence of an outer membrane
B) the absence of ribosomes
C) the presence of a thick cell wall
D) the absence of a cell wall
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32
Why is the process of nitrogen fixation by prokaryotes essential?
A) It converts atmospheric nitrogen to a nontoxic form.
B) It allows for the breakdown of complex macromolecules.
C) It removes nitrogen from the soil.
D) It provides nitrogen sources for plants and animals.
A) It converts atmospheric nitrogen to a nontoxic form.
B) It allows for the breakdown of complex macromolecules.
C) It removes nitrogen from the soil.
D) It provides nitrogen sources for plants and animals.
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33
What do capsules protect bacteria from?
A) osmotic lysis
B) invaders
C) radiation
D) viruses
A) osmotic lysis
B) invaders
C) radiation
D) viruses
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34
How long does it take for a biofilm to form?
A) seconds to minutes
B) minutes to hours
C) days to months
D) months to years
A) seconds to minutes
B) minutes to hours
C) days to months
D) months to years
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35
Which of these series best describes quorum sensing?
A) three-dimensional shape
B) attachment
C) maturation
D) signal
A) three-dimensional shape
B) attachment
C) maturation
D) signal
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36
What are lipopolysaccharides associated with?
A) the outer membrane of Gram-negative bacteria
B) the plasma membrane of Gram-positive bacteria
C) the plasma membrane of both Gram-positive and Gram-negative bacteria
D) the plasma membrane of Gram-negative bacteria
A) the outer membrane of Gram-negative bacteria
B) the plasma membrane of Gram-positive bacteria
C) the plasma membrane of both Gram-positive and Gram-negative bacteria
D) the plasma membrane of Gram-negative bacteria
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37
Which organisms obtain energy by oxidizing organic or inorganic substances?
A) auxotrophs
B) chemotrophs
C) autotrophs
D) phototrophs
A) auxotrophs
B) chemotrophs
C) autotrophs
D) phototrophs
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38
Which term refers to a bacterial protein that causes disease only after the cell has been disrupted?
A) endospore
B) heterocyst
C) endotoxin
D) exotoxin
A) endospore
B) heterocyst
C) endotoxin
D) exotoxin
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39
What is the order of the cell layers, from most external to most internal?
A) cell wall, cell membrane, capsule
B) cell membrane, capsule, cell wall
C) capsule, cell membrane, cell wall
D) capsule, cell wall, cell membrane
A) cell wall, cell membrane, capsule
B) cell membrane, capsule, cell wall
C) capsule, cell membrane, cell wall
D) capsule, cell wall, cell membrane
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40
What mechanism of reproduction is most common in bacteria?
A) sexual reproduction: binary fission
B) asexual reproduction: binary fission
C) asexual reproduction: budding
D) sexual reproduction: meiosis
A) sexual reproduction: binary fission
B) asexual reproduction: binary fission
C) asexual reproduction: budding
D) sexual reproduction: meiosis
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41
Which of the following is likely the oldest known lineage in the Archaea?
A) Crenarchaeota
B) Nanoarchaeota
C) Korarchaeota
D) Euryarchaeota
A) Crenarchaeota
B) Nanoarchaeota
C) Korarchaeota
D) Euryarchaeota
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42
Which genus contains Gram-positive bacteria?
A) Neisseria
B) Staphylococcus
C) Kokuria
D) Salmonella
A) Neisseria
B) Staphylococcus
C) Kokuria
D) Salmonella
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43
What was the basis on which prokaryotes were split into two domains?
A) differences in cell membrane properties
B) differences in cell wall composition
C) differences in staining characteristics
D) differences in rRNA sequences
A) differences in cell membrane properties
B) differences in cell wall composition
C) differences in staining characteristics
D) differences in rRNA sequences
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44
Which phrase describes proteobacteria?
A) They are Gram-positive and include the purple bacteria.
B) They are Gram-negative and include the green bacteria.
C) They are Gram-negative and include the purple bacteria.
D) They are Gram-positive and include the green bacteria.
A) They are Gram-positive and include the purple bacteria.
B) They are Gram-negative and include the green bacteria.
C) They are Gram-negative and include the purple bacteria.
D) They are Gram-positive and include the green bacteria.
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45
What is the approximate number of distinct evolutionary branches in the domain Archaea, as revealed by genome sequencing studies?
A) 3 to 4
B) 9 to 10
C) at least 12
D) at least 20
A) 3 to 4
B) 9 to 10
C) at least 12
D) at least 20
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46
Which organisms contain prokaryotic histonelike proteins?
A) Archaea
B) Eukarya
C) Bacteria
A) Archaea
B) Eukarya
C) Bacteria
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47
Which of the following produce N-formylmethionine as their first amino acid in protein synthesis?
A) Archaea
B) Bacteria
C) Eukarya
A) Archaea
B) Bacteria
C) Eukarya
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48
In which major taxonomic group of Archaea are the methanogens found?
A) Crenarchaeota
B) Korarchaeota
C) Nanoarchaeota
D) Euryarchaeota
A) Crenarchaeota
B) Korarchaeota
C) Nanoarchaeota
D) Euryarchaeota
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49
Which category contains organisms that have mitochondria?
A) Bacteria
B) Eukarya
C) Archaea
A) Bacteria
B) Eukarya
C) Archaea
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50
Figure 23-2
In the phylogenetic tree in Figure 23-2, which branch identifies Archaea?
A) branch A
B) branch B
C) branch D
D) branch E
In the phylogenetic tree in Figure 23-2, which branch identifies Archaea?
A) branch A
B) branch B
C) branch D
D) branch E
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51
What are believed to be the evolutionary ancestors of mitochondria?
A) ancient Archaea
B) ancient proteobacteria
C) ancient green bacteria
D) ancient cyanobacteria
A) ancient Archaea
B) ancient proteobacteria
C) ancient green bacteria
D) ancient cyanobacteria
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52
In what way is proteobacterial photosynthesis different from plant photosynthesis?
A) Proteobacterial photosynthesis does not use a proton gradient.
B) Proteobacterial photosynthesis does not consume CO2.
C) Proteobacterial photosynthesis uses water as an electron donor.
D) Proteobacterial photosynthesis uses a different type of chlorophyll.
A) Proteobacterial photosynthesis does not use a proton gradient.
B) Proteobacterial photosynthesis does not consume CO2.
C) Proteobacterial photosynthesis uses water as an electron donor.
D) Proteobacterial photosynthesis uses a different type of chlorophyll.
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53
Figure 23-2
In the phylogenetic tree in Figure 23-2, which branch identifies Eukarya?
A) branch A
B) branch C
C) branch D
D) branch E
In the phylogenetic tree in Figure 23-2, which branch identifies Eukarya?
A) branch A
B) branch C
C) branch D
D) branch E
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54
Which of these types of bacteria has the smallest type of cell?
A) mycoplasmas
B) Lactobacillus
C) Clostridium
D) Staphylococcus
A) mycoplasmas
B) Lactobacillus
C) Clostridium
D) Staphylococcus
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55
Figure 23-2
In the phylogenetic tree in Figure 23-2, which branch identifies Bacteria?
A) branch B
B) branch C
C) branch D
D) branch E
In the phylogenetic tree in Figure 23-2, which branch identifies Bacteria?
A) branch B
B) branch C
C) branch D
D) branch E
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56
Which organisms contain branched membrane lipids with ether linkages?
A) Eukarya
B) Archaea
C) Bacteria
A) Eukarya
B) Archaea
C) Bacteria
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57
Which of the following are among the Archaea that have been cultured in the laboratory?
A) Crenarchaeota and Korarchaeota
B) Crenarchaeota and Euryarchaeota
C) Nanoarchaeota and Korarchaeota
D) Euryarchaeota and Nanoarchaeota
A) Crenarchaeota and Korarchaeota
B) Crenarchaeota and Euryarchaeota
C) Nanoarchaeota and Korarchaeota
D) Euryarchaeota and Nanoarchaeota
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58
Which category includes most of the bacteria that cause human disease?
A) photoautotrophs
B) photoheterotrophs
C) chemoautotrophs
D) chemoheterotrophs
A) photoautotrophs
B) photoheterotrophs
C) chemoautotrophs
D) chemoheterotrophs
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59
From what environment were Archaea first isolated?
A) salt lakes
B) Mars
C) freshwater lakes
D) a human patient
A) salt lakes
B) Mars
C) freshwater lakes
D) a human patient
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60
Which category includes the cyanobacteria?
A) chemoautotrophs
B) photoheterotrophs
C) photoautotrophs
D) chemoheterotrophs
A) chemoautotrophs
B) photoheterotrophs
C) photoautotrophs
D) chemoheterotrophs
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61
The strong support for Lokiarchaeota and Eukarya being sister groups has phylogenetic and taxonomic implications.
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62
Chlamydias are bacteria that possess cell walls, but lack peptidoglycan.
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63
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Salmonella
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Salmonella
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64
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Rhizobium
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Rhizobium
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65
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Pyrobolus
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Pyrobolus
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66
Extracellular polymer substance (EPS) is a slimy, gluelike substance produced by bacteria to facilitate the formation of endospores.
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67
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Streptococcus
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Streptococcus
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68
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Lactobacillus
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Lactobacillus
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69
Spirilli are Gram-negative bacteria that possess internal flagella, which cause the entire cell to twist in a corkscrew pattern.
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70
Organisms that live optimally in cold temperatures are called barophiles.
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71
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Bacillus
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Bacillus
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72
Archaea have multiple types of RNA polymerase.
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73
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
methanogen
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
methanogen
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74
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Neisseria
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Neisseria
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75
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Chlamydia
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Chlamydia
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76
Gingivitis is caused by archaea.
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77
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Treponema
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
Treponema
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78
Match each prokaryotic genus with its correct description.
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
snottite bacteria
a.causes anthrax
b.fixes nitrogen
c.causes syphilis
d.loves very high temperatures
e.causes endotoxin shock
f.helps in the production of yogurt
g.causes necrotizing fasciitis (flesh-eating disease)
h.loves toxic H2S gas
i.causes gonorrhea
j.produces CH4
k.
causes trachoma (a preventable form of blindness)
snottite bacteria
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