DNA, I'm pretty sure it takes the same amount of time, I've noticed no difference in school year time or anything, which really sucks. We like have to wast two weeks of school every nine weeks, and it sucks. It's also 40% of your grade every time.
Thanks Well because the glue has to dry it takes about 7-8 hours for the whole thing to be done, but besides that it takes about 20-30 min for me to do one.