Multiple choice

Ethanol is one of the fermentation end products of

  1. Enterobacter
  2. Escherichia
  3. Clostridium
  4. Saccharomyces
  5. Salmonella
  6. Streptococcus

  1. 1, 2 and 3 only

  2. 1, 2, 4 and 5 only

  3. 2, 3 and 4 only

  4. 2, 4, 5 and 6 only

  5. all of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Enterobacter yields ethanol, lactic acid, formic acid, butanediol, acetoin, CO2, and H2 as fermentation end product. Escherichia yields ethanol, lactic acid, succinic acid, acetic acid, CO2, and H2 as fermentation end product. Saccharomyces yields ethanol and CO2 as fermentation end products. Salmonella yields ethanol, lactic acid, succinic acid, acetic acid, CO2, and H2 as fermentation end product.