Prokaryotes are classified as belonging to two different domains. What are the domains?
A) Bacteria and Eukarya
B) Bacteria and Archaea
C) Archaea and Protista
D) Bacteria and Protista
B
Biology & Microbiology
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Inside nitrogen-fixing nodules, one N2 molecule is converted into two
A. N. B. NO. C. NO2. D. NO3. E. NH3.
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On Earth, solar energy is most intense at
A. the South Pole. B. the North Pole. C. 60° North latitude. D. the equator. E. 60° South latitude.
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Amino acids are delivered in their appropriate order by
A) mRNAs. B) RNA-induced silencing complexes (RISC). C) ribozymes. D) rRNAs. E) tRNAs.
Biology & Microbiology
Frederick Griffith discovered
A. transformation. B. transposons. C. the lac operon. D. DNA. E. conjugation.
Biology & Microbiology