Cell Cultivations
Which of the following is not an indirect method for the measurement of cell mass?

Nutrient composition
Heat evolution
Cell dry weight
Viscosity

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

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Cell Cultivations
Balanced growth is defined as

balancing the growth while controlling the pH
balancing the growth while controlling the temperature
cultures undergoing balanced growth while maintaining a constant chemical composition
balancing the growth while changing the nutrient composition

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Cell Cultivations
The archaebacterium Halobacterium, an extreme halophile, and Sulfolobus, a thermoacidophile, can be cultured in the presence of antibiotics such as streptomycin and chloramphenicol because

they lack murein in their cell wall
they contain 80S, as opposed to 70S, ribosomes
they contain ether-linked isoprenoids in their plasma membrane
All of these

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