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Why the shake flask is not continuously preferred?(a) Because of resistant to growth(b) Because of increase rate of contamination(c) Because of imprecise control of temperature(d) Because of unlimited stirring |
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Answer» Correct answer is (c) Because of imprecise control of temperature Easy explanation: Shake flasks are usually subject to media evaporative loss in warmer culture environments, typically 10% of volume per 24 hr at 37°C. This loss changes the density of the culture and prohibits longer term operation of the system and also the temperature control is absent or limited. |
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