20% D2O yeast colony morphology

The yeast grown on 20% D2O YPD exhibits growth not all that different from yeast grown on normal DI water plates. It’s tough to ascertain colony growth time because analysis was not performed in time intervals. Check out what a standard individual colony looks like:

Yeast grown on 20% D2O YPD agar.
Yeast grown on 20% D2O YPD agar.