Micro Organisms
Who was the inventor of the Petri dish?

R.J. Petri, an assistant of R. Koch
None of these
A famous French cook
Italian glass blower from Petri, Italy

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

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

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