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The air from hypovial is displaced by using _____________

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The air from hypovial is displaced by using _____________

(a) Sterile water

(b) Sterile oxygen

(c) Sterile nitrogen

(d) Sterile hydrogen gas

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Asked question is from Laboratory Fermentation System in division Fermentation System & Management of Fermentation Technology

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The correct option is (c) Sterile nitrogen

Explanation: The air from each hypovials is displaced by sparging with sterile nitrogen and then the yeast is inoculated. The hypovials are calibrated with a volume scale. It allows the establishment of a graduation initial dissolved oxygen concentrations.

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