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In general,the cold-dwelling thaumarchaeotes are evolving more slowly than the hyperthermophilic crenarchaeotes.
Q2: Mercury-resistant bacteria detoxify mercury by producing Hg⁰.
Q7: The CRISPR system is said to protect
Q10: Organisms that aerobically catabolize methane use the
Q16: Anoxygenic phototrophs may or may not be
Q18: Because H₂ levels in oxic environments are
Q38: Water distribution systems contain<br>A)very few bacteria or
Q43: Most nitrogen-fixing bacteria symbiotically associated with plants
Q47: What was produced by photosynthesis before the
Q61: Spirilla and spirochetes are closely related bacteria
Q83: Chemolithotrophs that obtain electrons from donors such