Micro Organisms
The endosymbiosis hypothesis provides an explanation for how

prokaryotes developed from eukaryotes
protozoa developed from algae
algae developed from protozoa
eukaryotes developed from prokayotes

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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

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Micro Organisms
Archeal cells usually do not contain peptidoglycan, rather contain pseudo-peptidoglycan which is mainly composed of

N-acetyltalosaminuronic acid and D-amino acids
N-acetylmuramic acid and D-amino acids
N-acetyltalosaminuronic acid and L-amino acids
N-acetylmuramic acid and L-amino acids

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Micro Organisms
Eukaryotic cell organelles first emerged

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

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