Learning Objectives 9

Question 1

In prokaryotes the generation time is also called the _____ _____ which is defined as?

Answer 1

Doubling time. The time it takes for the population to double through one round of binary fission

Question 2

What is the most common method of bacterial replication?

Answer 2

Binary fission

Question 3

What are the 4 phases microorganisms undergo in a typical growth curve?

Answer 3

Lag phase, log phase, stationary phase, death or decline phase

Question 4

Explain what direct microscopic cell count

Answer 4

Transfer a known volume of a culture to a calibrated slide and count the cells under a light microscope