Bacteria and Archaea

Bacteria and Archaea
Chromosome of a prokaryote is located in:
cell wall
ribosome
nucleoid
endoplasmic reticulum
Author: rikazzz Comment
Bacteria and Archaea
Sulfolobus is an example of which of following?
chemoautotroph
phototrophs
heterotrophs
halophiles
Author: rikazzz Comment
Bacteria and Archaea
Which of following bacteria are only bacteria known to lack cell walls?
Borrelia burgdorferi
Leptospira
oscillatoria
mycoplasmas
Author: rikazzz Comment
Bacteria and Archaea
An ecological relationship in which one participant benefits and other is harmed is called:
parasitism
symbiosis
mutualism
commensalism
Author: rikazzz Comment
Bacteria and Archaea
Which of following archaea is used as source of DNA polymerase for use in laboratory experiments?
treponema pallidum
Halobacterium
Borrelia burgdorferi
Pyrococcus furiosus
Author: rikazzz Comment
Bacteria and Archaea
Ammonium is oxidized to produce which of following by Nitrosomonas?
methyl
nitrogen
nitrite
nitrate
Author: rikazzz Comment
Bacteria and Archaea
Which of following bacteria are responsible for food poisoning?
vibrio cholerae
salmonella
neisseria gonorrhoeae.
Thiomargarita namibiensis
Author: rikazzz Comment
Bacteria and Archaea
Prokaryotic cells typically have a diameter of about how many micrometers?
5
100
200
300
Author: rikazzz Comment
Bacteria and Archaea
Harmless bacteria living on skin of humans feeding off sebum have which of following ecological relationship?
mutualism
commensalism
parasitism
symbiosis
Author: rikazzz Comment
Bacteria and Archaea
Chemotaxis is movement of a cell-based on which stimulus?
chemical
water
smell
gravity
Author: rikazzz Comment

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