Ex. 10: Streak Plate Method of Isolation
Objectives ??
Materials needed per student: 1 nutrient agar (NA)
plate Inoculating loop and
Bunsen burner
Cultures needed: From exercise 7: Your
tube of mixed broth culture, isolated from your body.
Each student works individually for this exercise!
Day 1
Materials needed per student: Streak plate from last session. One new NA plate, inoculating loop
and Bunsen burner
Day 2
Objective ??
The Quadrant Streak
This technique is the most widely used method of obtaining pure (isolated)
colonies from a mixed culture.
What is different here?
Movie Clip on How to Streak a Plate