Micro Organisms
The unifying feature of the archaea that distinguishes them from the bacteria is

absence of a nuclear membrane temperature
presence of a cell wall containing a characteristic outer membrane
cytoplasmic ribosomes that are 70S
habitats which are extreme environments with regard to acidity

ANSWER DOWNLOAD EXAMIANS APP

Micro Organisms
Which of the following best represents the hierarchy of levels of biological classification?

Kingdom, phylum, class, order, family, genus, species
Class, order, kingdom, phylum, family, genus, species
Kingdom, phylum, family, class, order, genus, species
Phylum, kingdom, class, order, genus, species, family

ANSWER DOWNLOAD EXAMIANS APP

Micro Organisms
Eukaryotic cell organelles first emerged

just before the origin of the animal and fungal kingdoms
from a specialized lineage of cells within the kingdom Protista
when bacteria made their first attempts at reproduction
when prokaryotes engulfed each other and became interdependent

ANSWER DOWNLOAD EXAMIANS APP