Some Gram-negative bacteria branch more deeply from the proteobacteria than the five Greek-lettered classes do from each other. Which phyla listed below is deep-branching Gram-negative?
A) Thermotogo
B) Aquifex
C) Flavobacteria
D) Protobacteria
E) Chlorobi

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The Answer of Some Gram-negative bacteria branch more deeply from the proteobacteria than the five Greek-lettered classes do from each other. Which phyla listed below is deep-branching Gram-negative?
A) Thermotogo
B) Aquifex
C) Flavobacteria
D) Protobacteria
E) Chlorobi

Some Gram-Negative Bacteria Branch More Deeply from the Proteobacteria Than