i am trying to find past test prep material for BIOL 2454 ,houston baptist university. I just bought the service a few hours ago and It seems that I...

i am trying to find past test prep material for BIOL 2454 ,houston baptist university. I just bought the service a few hours ago and It seems that I cannot find teh material. Also It says that i have 29 unlocks , what does that mean?

thanks