An Escherichia coli cell has a volume of ( )

PHYSICS · Subjective · Fermi University Physics · Biophysics & Medical Physics · Physical foundations of the living cell · Physical foundations of the living cell

Life at Thermal Energy, Ch The scales of life and the thermal energy

Problem

An Escherichia coli cell has a volume of 1 fL1\,\mathrm{fL} (1 fL=10−18 m31\,\mathrm{fL} = 10^{-18}\,\mathrm{m^3}). Its cytoplasmic ATP concentration is 3 mM3\,\mathrm{mM}. How many ATP molecules does this correspond to in one cell? Give your answer to two significant figures.

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