Yogurt Lab Procedure!!

In this lab we will be making yogurt! To start this lab, we need will need to procure four test tubes with milk inside them. Then we are to label the test tubes negative, yogurt with amp, positive and e. coli. Each will have the following added to the test tubes which will then be mixed in the vortex. Once mixed, the tubes will be placed in an incubator for 24-48 hours. Lastly, once the samples have been incubated, we will        examine and observe what has happened and record the results.