What is the correct order of steps (1-4) in transferring yeast cells in this week's procedure?
1) Scrape a section of a yeast colony off of the nourseothricin agar plate with a sterile toothpick.
2) Transfer the yeast from the toothpick onto the control and experimental agar plates.
3) Place each of the experimental and control agar plates on a paper grid.
4) Number the colonies on the nourseothricin agar plates.