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

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

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

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