1. What are the stages of the normal growth curve in a bacterial culture?
-Lag phase: flat part of graph shows new cells adjusting, don’t appear to be growing.
1.) Exponential growth (log phase) : growth curve increases dramatically 2.)
Stationary phase : death rate and growth rate are equal. Graph plateaus.
3.) Death phase : Graph dips down. Cells die at a rapid rate.
2. What does optimal (optimum) growth temperature mean?
-fastest rate of growth and metabolism. -
between min. and max.
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