Growth of Microbial Populations

Most bacteria replicate via the process of

When performing a viable plate count, how many colony forming units are necessary for the plate to be considered useful?

When determining the rate of bacterial growth, a device called a spectrophotometer is used in the measurement of

Which of these techniques is used to determine the presence or absence of coliform bacteria in water?

Which of the following is used to produce a viable plate count of bacterial cells?

This term describes the upper limit to the growth of a population.

During which phase of bacterial growth in a closed culture would one expect to see a population growth near zero (0)?

a. lag

b. log

c. stationary

d. decline

A culture in which unlimited space, food and the removal of dead cells is allowed is best referred to as a(n)

A sample of E. coli containing 10 cells was added to a fresh medium and incubated for 2 hours . Given a generation time of 30 minutes, how many cells would be present in the medium, utilizing the formula N_f = N_i X 2^n?

This term describes how long it takes for a cell to divide or a population to double.