Fermentation occurs only in oxygen free or anaerobic conditions. Which one of the following is the key characteristic of fermentation is _____?

ابال صرف آکسیجن فری یا انیروبک حالات میں پایا جاتا ہے۔ مندرجہ ذیل میں سے کون سی ابال کی کلیدی خصوصیت ہے؟

It only occurs in muscle cells

It produces glucose as a byproduct

It converts sugar into either acid or alcohol

None of these

Fermentation is an anaerobic process where organisms like yeast or bacteria convert sugars into acid or alcohol, releasing energy.

It does not produce glucose, and it can occur in many cells, not just muscles.