Bacteria Taxonomy

Description

Bacterial taxonomy
Serenity Brooks
Quiz by Serenity Brooks, updated 4 months ago
Serenity Brooks
Created by Serenity Brooks 4 months ago
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Resource summary

Question 1

Question
Describe Proteobacteria (generally)
Answer
  • Gram negative; outer membrane composed mainly of lipopolysaccharides; all oligotrophs
  • Gram negative; anaerobic, rod-shaped opportunistic; 2 main families
  • Gram negative; photosynthetic, thicker than normal peptidoglycan wall (10-700nm); single, multicellular, and colonial cells; pilli/fimbrae
  • Gram negative; double membrane with axial filaments in between for movement; facultative anaerobes
  • Gram positive; pathogens able to invade; split into high and low G+C content groups

Question 2

Question
Describe Cyanobacteria.
Answer
  • Gram negative; outer membrane composed mainly of lipopolysaccharides; all oligotrophs
  • Gram negative; anaerobic, rod-shaped opportunistic; 2 main families
  • Gram negative; photosynthetic, thicker than normal peptidoglycan wall (10-700nm); single, multicellular, and colonial cells; pilli/fimbrae
  • Gram negative; double membrane with axial filaments in between for movement; facultative anaerobes
  • Gram positive; pathogens able to invade; split into high and low G+C content groups

Question 3

Question
Describe Firmicutes
Answer
  • Gram negative; outer membrane composed mainly of lipopolysaccharides; all oligotrophs
  • Gram negative; anaerobic, rod-shaped opportunistic; 2 main families
  • Gram negative; photosynthetic, thicker than normal peptidoglycan wall (10-700nm); single, multicellular, and colonial cells; pilli/fimbrae
  • Gram negative; double membrane with axial filaments in between for movement; facultative anaerobes
  • Gram positive; pathogens able to invade; split into high and low G+C content groups

Question 4

Question
Describe Spirochetes
Answer
  • Gram negative; outer membrane composed mainly of lipopolysaccharides; all oligotrophs
  • Gram negative; anaerobic, rod-shaped opportunistic; 2 main families
  • Gram negative; photosynthetic, thicker than normal peptidoglycan wall (10-700nm); single, multicellular, and colonial cells; pilli/fimbrae
  • Gram negative; double membrane with axial filaments in between for movement; facultative anaerobes
  • Gram positive; pathogens able to invade; split into high and low G+C content groups

Question 5

Question
Describe Fusobacteria
Answer
  • Gram negative; outer membrane composed mainly of lipopolysaccharides; all oligotrophs
  • Gram negative; anaerobic, rod-shaped opportunistic; 2 main families
  • Gram negative; photosynthetic, thicker than normal peptidoglycan wall (10-700nm); single, multicellular, and colonial cells; pilli/fimbrae
  • Gram negative; double membrane with axial filaments in between for movement; facultative anaerobes
  • Gram positive; pathogens able to invade; split into high and low G+C content groups

Question 6

Question
Which of the following ARE NOT a reason for the division of Proteobacteria into subphyla?
Answer
  • Metabolic preference
  • Oxygen requirements
  • ecological niches
  • Cellular characteristics
  • rRNA sequences
  • Method of motility
  • Pathogenicity

Question 7

Question
What phylum is Borrelia burgdorferi from? What are the features of this species?
Answer
  • Spirochetes: it causes Lymes Disease, spiral in shape
  • Fusobacteria: It occurs in healthy younger populations causing peritansillar abscesses
  • Proteobacteria: rod-shaped, motile, facultative anaerobe, food-born pathogen
  • Firmicutes: has non-replication phases, modifies by metabolic remodeling, reproduces inside epithelial cells
  • Cyanobacteria: blue-green algae, anti-inflammatory, can prevent several bodily issues such as cancer, anemia, and obesity.

Question 8

Question
What phylum is Spirulina from? What describes it?
Answer
  • Spirochetes: it causes Lymes Disease, spiral in shape
  • Fusobacteria: It occurs in healthy younger populations causing peritansillar abscesses
  • Proteobacteria: rod-shaped, motile, facultative anaerobe, food-born pathogen
  • Firmicutes: has non-replication phases, modifies by metabolic remodeling, reproduces inside epithelial cells
  • Cyanobacteria: blue-green algae, anti-inflammatory, can prevent several bodily issues such as cancer, anemia, and obesity.

Question 9

Question
What phylum is Mycobacterium tuberculosis from? What are its features?
Answer
  • Spirochetes: it causes Lymes Disease, spiral in shape
  • Fusobacteria: It occurs in healthy younger populations causing peritansillar abscesses
  • Proteobacteria: rod-shaped, motile, facultative anaerobe, food-born pathogen
  • Firmicutes: has non-replication phases, modifies by metabolic remodeling, reproduces inside epithelial cells
  • Cyanobacteria: blue-green algae, anti-inflammatory, can prevent several bodily issues such as cancer, anemia, and obesity.

Question 10

Question
What Phylum is Salmonella enterica from? What are its features?
Answer
  • Spirochetes: it causes Lymes Disease, spiral in shape
  • Fusobacteria: It occurs in healthy younger populations causing peritansillar abscesses
  • Proteobacteria: rod-shaped, motile, facultative anaerobe, food-born pathogen
  • Firmicutes: has non-replication phases, modifies by metabolic remodeling, reproduces inside epithelial cells
  • Cyanobacteria: blue-green algae, anti-inflammatory, can prevent several bodily issues such as cancer, anemia, and obesity.

Question 11

Question
What phylum is F. necrophorum from? What are its features?
Answer
  • Spirochetes: it causes Lymes Disease, spiral in shape
  • Fusobacteria: It occurs in healthy younger populations causing peritansillar abscesses
  • Proteobacteria: rod-shaped, motile, facultative anaerobe, food-born pathogen
  • Firmicutes: has non-replication phases, modifies by metabolic remodeling, reproduces inside epithelial cells
  • Cyanobacteria: blue-green algae, anti-inflammatory, can prevent several bodily issues such as cancer, anemia, and obesity.
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