Yeast
Fermentation

 

How to Make the Most Dough With the Yeast Bread!

Table 2: Qualitative Observations
  SUGAR
(SUCROSE)
POWDERED MILK JUICE
(GLUCOSE AND FRUCTOSE
  Trial 1 Trial 2 Trial 1 Trial 2 Trial 1 Trial 2
Describe the reaction

           
Describe the odour

           

Applying Your Knowledge

  1. What is your conclusion? What are your recommendations to Mr. Freydoe?





  2. What industry(ies) would use fruit juices as a food source for yeast?






  3. What are some other practical applications of yeast fermentation? Where or how is it used at home or in workplaces?






  4. What advice would you give to someone repeating this investigation?

    blank line

    blank line

    blank line
  5. Describe another experiment you could do with this organism in which you investigate another factor that affects its growth.





  6. Describe in general, what happened during the 15 minute observation period.