Bio205 Already Graded A+
With respect to cell structure, how are viruses characterized? ️Noncellular
Which of the following is an INCORRECT pairing ️Protozoa: multicellular
In the scientific name Enterobacter aerogenes, what is Enterobacter? ️Genus
Which of the following are prokaryot...
With respect to cell structure, how are viruses characterized? ✔️Noncellular
Which of the following is an INCORRECT pairing ✔️Protozoa: multicellular
In the scientific name Enterobacter aerogenes, what is Enterobacter? ✔️Genus
Which of the following are prokaryotes? ✔️Archaea
Which of the following microbes reproduce in cells but are acellular and can contain RNA as their
genetic material? ✔️Viruses
Which physical method of controlling microbial growth applies pressure to water to create steam?
✔️Autoclaving
Which of the following is NOT an example of fermentation? ✔️Bacterial degradation of a dead animal
Who recommended that agar be used to culture microbes? ✔️Angelina Hesse
What part of a bacterium does penicillin target? ✔️The cell wall
Which of the following eukaryotic structures most closely resembles a prokaryotic cell?
✔️Mitochondrion
Which theory proposes how the first eukaryotic cells evolved? ✔️Endosymbiotic theory
, Which of the following cellular microbes was the first to be genetically sequenced? ✔️Haemophilus
influenzae
The bubonic plague is spread by which of the following? ✔️Rat fleas
Microorganisms such as bacteria that can convert nitrogen into nitrate are often studied in which field
of microbiology? ✔️Environmental microbiology
Beggiatoa are microorganisms that oxidize hydrogen sulfide into sulfuric acid. What are these
microorganisms classified as? ✔️Lithotrophs
Who helped to pioneer the method of DNA sequencing? ✔️Fred Sanger
How did the work done by Nightingale contribute to controlling infectious disease? ✔️By developing
methods for reducing hospital-acquired infections
John Snow's research during a cholera outbreak in London laid the foundation for which of the following
branches of microbiology? This field of study helps to answer the "who, what, when, where, and why."
✔️Epidemiology
Examine the bacterial colonies shown growing on the surface of this agar plate. What is the most likely
reason why the isolated colonies at the top edge of the plate are smaller than those in the middle?
✔️There is more competition for nutrients in areas of denser bacterial growth.
If endospores had been present in Pasteur's growth medium, would the outcome of his experiments
with swan-necked flasks have been the same? ✔️No, the broth would have eventually become cloudy
from bacterial growth.
What are the three domains of life? ✔️Bacteria, Archaea, Eukarya
What do prokaryotic cells lack? ✔️A membrane-bound nucleus
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