Six lessons cover this chapter. Open any of them on its own below, or meet it in place inside chapter 6 of the book. Tick a lesson off once you can predict what it will do before you touch it.
1
What Microbes Eat
Pick an energy source and a carbon source. Mix a broth and see if it clouds.
2
Oxygen and the Thioglycolate Tube
Set the jar and the depth air reaches. See where each oxygen group can grow.
3
The Growth-Favoring Range
Slide heat and acid together. Read the growth rate each setting gives.
4
Salt, Sugar and Water
Add salt or sugar, watch water leave the cell, and find the breaking point.
5
The Bacterial Growth Curve
Set the conditions and press play. Watch the count climb, then crash.
6
Reading the Culture Plate
Pick a medium and see what grows. Then tap a colony and read it.