The most significant difference between archaea and bacteria is the:a. lack of a nuclear envelope ...

The most significant difference between archaea and bacteria is the:a.
   lack of a nuclear envelope in archaea.
  b. absence of the 70S ribosomes in bacteria.
  c. presence of a single filament flagellum in bacteria.
  d. absence of peptidoglycans in the cell walls of archaea.
  e. presence of fatty acids in the plasma membranes of archaea.

Question 2

Which type of bacterium would not be able to survive in the presence of oxygen?
  a. obligate aerobic
  b. obligate anaerobic
  c. facultative aerobic
  d. facultative anaerobic
  e. facultative autotrophic