Studying the partial-genome sequences that result from metagenomic analyses of extreme environments allows researchers to ________.
A. infer the metabolic characteristics of the proposed organisms by analyzing their putative proteins
B. limit the phyla of archaea by sorting them according to their habitats
C. finalize the organization of domain Archaea
D. classify them in a specific phylum described in Bergey's Manual
Answer: A
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Flowers and fruits are unique to
A. gymnosperms. B. angiosperms. C. conifers. D. bryophytes. E. cycads.
Explain when, why, and how recombination in bacteria is like crossing over in diploid cells
What will be an ideal response?
A simple stain ________.
a. readily differentiates microbial groups b. allows observation of bacterial motility c. improves the contrast between the cell and the background, thus improving the visibility of bacterial cell shapes and structures d. requires two steps: a staining step, then the addition of a mordant to decolorize the specimen
Activation of B lymphocytes produces (antibody-mediated /cell-mediated/innate) immune responses.
Fill in the blank(s) with the appropriate word(s).