Micro Organisms
Who was the inventor of the Petri dish?

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

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

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

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