Answer:
µm micrometer
Step-by-step explanation:
Yeast Cells are one of the most simple organisms that exist in the Eukaryot branch, this is very important because by studying them we can learn a lot about Eukaryotic cell body, they usually are about 2-4 µm or micrometers but scientis have found yeast cells that measure up to 40-60 µm, the best unit to measure them would be micro meeters, which would basically be 1x10^-6 meters.