ETHANOL FERMENTATION

Question 1

1. What is the primary microorganism used in ethanol fermentation?

Answer 1

Saccharomyces cerevisiae (yeast)

Question 2

2. Which process is the first step that converts glucose into ethanol and carbon dioxide during ethanol fermentation?

Answer 2

Glycolysis

Question 3

3. What type of environment is necessary for ethanol fermentation to occur?

Answer 3

: Anaerobic environment

Question 4

Which agricultural feedstocks are commonly used for ethanol fermentation?

Answer 4

Starch-based
Sugar-based
Lignocellulosic biomass

Question 5

What is the by-product of ethanol fermentation that is often utilized in the beverage and biofuel industries?

Answer 5

CO2

Question 6

What is the term for the stage where yeast or other microorganisms are introduced into the fermentation medium?

Answer 6

Inoculation

Question 7

Which industry/product does ethanol fermentation is most commonly associated with?

Answer 7

Alcoholic beverages

Question 8

What technique prevents contamination from unwanted microorganisms in the ethanol fermentation process?

Answer 8

Sterilization