Multiple choice

Which of the following processes reduces crab-tree effect?

  1. Pure culture

  2. Fed-batch culture

  3. Synchronous culture

  4. Continuous culture
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To reduce crab-tree effect, a fed-batch process is generally employed for baker's yeast production. Aerobic ethanol formation in the presence of glucose concentration is known as glucose effect or crab-tree effect. In this process, glucose concentration is increased in the media to reduce oxygen consumption by producing appreciable amount of ATP.

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