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Micro Organisms

Micro Organisms
The Archaea include all of the following except

cyanobacteria
methanogens
thermoacidophiles
halophiles

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Micro Organisms
Which cell type is considered to have the oldest ancestor?

Archaea
Eukarya
they all share the same ancestor
Bacteria

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Micro Organisms
Which of the following may account for the small size of the cells?

The surface area/volume ratio
The rate of diffusion
The number of mRNAs that can be produced by the nucleus
All of these

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Micro Organisms
Which of the following is the most primitive?

Archaeon
Eukaryote
Virus
Mitochondria

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Micro Organisms
The first organism in most natural food chains is

photosynthetic
a herbivore
a decomposer
carnivorous

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Micro Organisms
In the three domain system of classification, the traditional bacteria are placed in the

none of these
archaea
eukarya
eubacteria

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