The majority of phyla from domain Bacteria were discovered by
a. sequencing isolates cultivated in laboratory media.
b. sequencing DNA extracted directly from environmental samples.
c. using enrichment media.
d. transmission electron microscopy.
Answer: B
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When bacterial genes are transferred to another bacterium by a virus, it is called
A. transfection. B. transformation. C. transduction. D. conjugation.
. Briefly describe some of the pros and cons of using ecotourism to generate income from a natural area
What will be an ideal response?
A TATA box is seen in __________ cells and is the site where __________
a. bacterial; RNA polymerase binds b. eukaryotic; DNA ligase cleaves introns c. eukaryotic; RNA polymerase binds d. both bacterial and eukaryotic; transcription factors bind e. bacterial; a repressor protein binds
The ________ ________ is the length of time it takes for a population of microorganisms to double in number.
Fill in the blank(s) with the appropriate word(s).