MICR4990 - Brewing Microbiology -
Exam 3 (Units 2.4 - 2.6) Questions &
Answers (Grade A+)
Yeast only grow when all of their ___ -
correct answer ✅Nutritional requirements are met
Which of the following growth phases describes when cells stop
growing? -
correct answer ✅Stationary
The carbon source in yeast growth medium (or wort) is ___ -
correct answer ✅Sugar
A basic principle of microbiology is, the richer the growth medium
the faster the growth rate. -
correct answer ✅TRUE
Why are culture media pre-warmed prior to inoculation? -
correct answer ✅To prevent shocking the cells
Growth of laboratory cultures is routinely measured by using a ___
-
correct answer ✅Spectrophotometer
, MICR4990 - Brewing Microbiology -
Exam 3 (Units 2.4 - 2.6) Questions &
Answers (Grade A+)
Which of the following can be determined from a growth curve? -
correct answer ✅A. Growth rate
B. Maximum population
C. Number of bud scars
****D. Both A) and B) are correct****
The slop of the line in a growth curve is proportional to ___ -
correct answer ✅Growth rate
Considering the maximum extent of growth determined from a
growth curve, doubling the amount of sugar in the growth medium
will result in ___ -
correct answer ✅Twice as much growth
What does the forced ferment test? -
correct answer ✅Limit attenuation
What does the forced wort test? -
correct answer ✅Contamination
Exam 3 (Units 2.4 - 2.6) Questions &
Answers (Grade A+)
Yeast only grow when all of their ___ -
correct answer ✅Nutritional requirements are met
Which of the following growth phases describes when cells stop
growing? -
correct answer ✅Stationary
The carbon source in yeast growth medium (or wort) is ___ -
correct answer ✅Sugar
A basic principle of microbiology is, the richer the growth medium
the faster the growth rate. -
correct answer ✅TRUE
Why are culture media pre-warmed prior to inoculation? -
correct answer ✅To prevent shocking the cells
Growth of laboratory cultures is routinely measured by using a ___
-
correct answer ✅Spectrophotometer
, MICR4990 - Brewing Microbiology -
Exam 3 (Units 2.4 - 2.6) Questions &
Answers (Grade A+)
Which of the following can be determined from a growth curve? -
correct answer ✅A. Growth rate
B. Maximum population
C. Number of bud scars
****D. Both A) and B) are correct****
The slop of the line in a growth curve is proportional to ___ -
correct answer ✅Growth rate
Considering the maximum extent of growth determined from a
growth curve, doubling the amount of sugar in the growth medium
will result in ___ -
correct answer ✅Twice as much growth
What does the forced ferment test? -
correct answer ✅Limit attenuation
What does the forced wort test? -
correct answer ✅Contamination
