Cell Cultivations
The cell mass can be measured optically by determining the amount of light scattered by a suspension of cells. The measurements are usually at a wavelength of

300-400nm
500-600nm
600-700nm
400-500nm

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Cell Cultivations
Which of the following is the necessary step for cultivating the microorganisms?

Inoculating the microorganisms in the prepared medium
Sterilizing in order to eliminate all living microorganisms in vessel
All of these
Preparing a culture medium for the growth of microorganisms

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