Genes are the segments of DNA that control the production of ___.
What will be an ideal response?
proteins
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Through the process of ____ , some bacteria or archaeons derive energy by combining NH4 + and NO2 - (recall the equation NH4 + + NO2 - N2 + 2H2O)
Fill in the blank with the appropriate word.
Which of the following is required if a researcher wants to analyze genes in different species for their homologies?
A. relatively short DNA sequences B. relatively short RNA sequences C. relatively long DNA sequences D. relatively short polypeptide sequences E. relative differences in a species' metabolomics
A U.S. Food and Drug Administration (FDA)–cleared immunochromatographic test produces a red line on the cassette and can presumptively identify which gram-positive Bacillus that is c-hemolytic and morphologically has a "Medusa head" appearance when grown on 5% sheep blood agar?
a. Bacillus subtilis b. B. cereus c. B. mycoides d. B. anthracis
Metabolic pathways
a. are always catabolic. b. are always anabolic. c. can be either catabolic or anabolic. d. are irreversible. e. proceed until they reach equilibrium.