Mid Term 1 Review, Growth Phases (9.2.2022.)

Question 1

Describe the lag phase

Answer 1

making molecules and ATP, but no change in cell number

Question 2

Describe the log phase

Answer 2

cells divide at a constant rate

Question 3

Describe stationary phase

Answer 3

cell numbers remain constant, too few resources to keep growing

Question 4

Describe death phase

Answer 4

pop. decrease as cells die at a constant rate

Question 5

During which phase of growth is the generation time measured?

Answer 5

log (exponential) phase. the active growth phase.

Question 6

During which phase of growth will you expect to see the most endospore formation in Bacillus and Clostridia?

Answer 6

exponential (log)