Review Journal Pages 14-26 especially:
History of DNA notes (J.Pg. 15)
Structure of DNA notes (J.Pg. 19)
DNA Replication notes (J.Pg. 24)
Here are the sections again...
12.1
12.2
12.3
Review Questions, answer the following on J. Pg. 26
#s 1-5, 7-8, 9-12, 20-21, 24-25, 27-28, 32-34
Click here to download the questions and the STUDY GUIDE
For more help watch this Kahn Academy lesson on DNA...
https://www.youtube.com/watch?v=_-vZ_g7K6P0
I usually recommend the above but this is good too...
If you need a break, enjoy these DNA tunes...
Walking Through the Gene
We've Really Got the Code on You