Bacteria and archaea were originally classified as prokaryotes because they ____; however, it is now known that archaea ____.
A) do not have nuclei and are single-celled; are actually a type of algae
B) are single-celled and found in extreme environments; are actually eukaryotic
C) do not have nuclei and have similar cell walls; comprise a special classification of prokaryotes
D) are colonial organisms and do not have nuclei; form multicellular organisms
E) are single-celled and do not have nuclei; are more similar to eukaryotes
Correct Answer:
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