Question

Pasteur placed broth in a special type of flask that allowed air to enter and exit. Then, he heated the broth and flask, so they no longer contained any bacterial cells. Finally, after observing the flask for a few days and noticing that nothing grew in the flask, he was able to conclude that

Answer 1

all cells must come from pre-existing cells.

this is for study island btw
Hope this helps!!!

Answer 2

cells come from pre-existing cells

hope it helps