The Archaea differ from the Bacteria and eukaryotes by having different __________ in their cell
membranes, but the Archaea are similar to eukaryotes in their __________ process.
a. sugars; replication
b. sugars; transcription
c. lipids; replication
d. lipids; translation
e. proteins; transcription
D
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Bacteria and archaea use the same four bases in their DNA as eukaryotes. This supports which of the following statements?
A. All three domains arose from a common ancestor. B. DNA was the original genetic material. C. Bacteria, archaea, and eukaryotes contain the same set of genes. D. DNA evolved independently at least three times. E. Bacteria, archaea, and eukaryotes could interbreed.
When Cuvier considered the fossils found in the vicinity of Paris, he concluded that the extinction of species _____
A) occurs, but that there is no evolution B) and the evolution of species both occur C) and the evolution of species do not occur D) does not occur, but evolution does occur
Very few cases of cryptococcal infections are caused by the variant Cryptococcus neoformans neoformans
Indicate whether the statement is true or false
All of the following statements are reasons why fluorescent in situ hybridization (FISH) has become a valuable tool for environmental microbiologists EXCEPT
A) it allows for detection of uncultured microbes. B) it demonstrates the diversity of microbes in an environment. C) it allows observation of microbes in their natural environment in association with other microbes. D) it allows one to obtain pure cultures of microbes. E) All of the answers are correct.