How does yeast cells multiply?

Answer:
Yeast cells multiply by Sugar (which is their food) and they need darkness. Think of them like pets.. But if you keep checking it every minute its not gonna rise..
Check every hour, and don't make it "grow" to long. It will smell..
First answer by Mia03321. Last edit by Mia03321. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 0 [recommend question].