26. Prokaryotes
Prokaryotic Diversity
- Multiple ChoiceWhich group of bacteria is unusual in that they lack peptidoglycan in their cell walls?3views
- Multiple ChoiceWhat is the shape of streptococci bacteria?
- Multiple ChoiceIn what ways do prokaryotes differ from one another?1views
- Multiple ChoiceWhich of the following bacteria are the most prevalent in the human gut?
- Multiple ChoiceOn which of the following surfaces can biofilms form?
- Multiple Choice
There are two groups of bacteria which live in the Great Salt Lake: Halobacterium and Halococcus. The Great Salt Lake's average salinity is around 13%. What class of microbes do the Halobacterium and Halococcus species belong to?
1views - Multiple ChoiceWhich of the following is an example of horizontal gene transfer in bacteria?
- Multiple Choice
All organisms have specific environmental conditions in which they thrive. Most organisms cannot live in extremely salty environments. If a bacterium that normally lives in a fresh water environment is placed in an environment that is excessively salty, what will happen?
- Multiple ChoiceWhich of the following groups of prokaryotes is classified as a member of the domain Archaea?3views
- Multiple ChoiceWhich of the following is not true of Coxiella burnetii?1views
- Multiple Choice
An organism that requires an environment of high salt concentration describes an Extreme…
- Multiple ChoiceWhich of the following is not a trait that is shared by most types of bacteria?2views
- Multiple Choice
A cell is most likely to experience plasmolysis (contraction or shrinking of the cell) when…
- Multiple Choice
Methanopyrus kandleri is a species of archaea that lives in the hydrothermal vents of the Pacific Ocean. This species' optimal temperatures are between 100-122 ºC. This species also does not require oxygen, as it survives off of hydrogen gas and releases methane gas. What environmental classifications would this archaeal species fit into?
1views - Multiple ChoicePortions of the genomes of certain prokaryotic species are very similar to portions of the genomes of distantly related prokaryotes. The process that most likely accounts for this genetic similarity is __________.2views