I would call bread evil. During the week of unleavened bread, it just represents sin and is a lessen on removing sin from our lives. It is a short, 1 week sacrifice.
How long does sour dough bread take to become leavened? I have never made any.
Once the starter gets working, about 2-3 days, it stays active as long as it is fed. The bread is made like normal bread.
FormerFetus, please note