Multiple choice

During fermentation, continuous feed is used to maintain __________.

  1. temperature

  2. cell number

  3. substrate concentration

  4. product concentration
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Substrate concentration: During fermentation, microorganisms utilize substrate to produce products. But as fermentation proceeds the substrate concentration decreases, which is replenished by continuous feed of substrate.

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