Really, am I supposed to explain the lab protocol to people who didn't read it ahead of time?
And what does, "I can't find my sample" mean? Why do you think I have some insight into this issue?
Does it really matter if she used your reagents?
Why do kids cut the incubation periods? Do you think these are random times?
I teach college. I get the feeling that you and I just had the same kind of day.