Why high concentration of sugars are not employed in the fermentation medium?

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Why high concentration of sugars are not employed in the fermentation medium? Answer: Calcium lactate crystallizes from the medium and slows down the process of fermentation

Question context

This question is part of 🦠 Microbiology within the broader 🧬 Medical Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.