STEP 2: Submitted Samples - Day 0 to 21
Summer 2018:
Here are the pictures of your samples before and after 21 days of incubation with a special food that helps yeasts grow. Look for changes between the pictures, what has happened? Do you notice any differences? Compare both of your pictures to the picture on the right that shows the yeast food before you added your sample.
CLEAN
and
CLEAR
Day 21
Day 0
