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Which of the following statements regarding continuous culture systems is incorrect?
In this system, the used medium is drained out from one side while the fresh medium is added from the other side.
In this system, cells are maintained in their physiologically most active lag phase of growth.
It results in the production of larger biomass.
It exhibits higher yields of the desired product.
Answers (1)
In a continuous culture system, cells are typically maintained in the exponential growth phase rather than the lag phase. The exponential growth phase is characterized by rapid cell division and high metabolic activity, whereas the lag phase is a period of adjustment and adaptation to the new environment before active growth begins. In a continuous culture system, the aim is to maintain a constant growth rate by continuously supplying fresh nutrients and removing waste products. This enables the cells to remain in a prolonged exponential growth phase, rather than going through the lag phase repeatedly. Therefore, the incorrect statement is option (2) which states that In the system, cells are maintained in their physiologically most active lag phase of growth. Hence, the correct answer is option 2.
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