-What do you remember?

• Individually, use chalk markers to draw a model of DNA replication. Show ALL parts, but do not label. After 5 mins, move to the person's drawing nearest you and ID/label the parts they drew + add any that are missing.

1. Lecture:  Ch. 17 Overheads  - Transcription (pre-mRNA vs mRNA)

 HW:  Read 17.2 and 17.3 - explain RNA splicing + alternative RNA splicing (IN YOUR NOTES!)

How do fireflies use their DNA to  make light? ; Central Dogma diagram

Lecture:  Ch. 17 Overheads  - Transcription (pre-mRNA vs mRNA)

1. Phet simulation + handout

2. Review gene expression:  transcription details + operons 

3. Videos:  p53 - Guardian of the Genome + DNA to proteins

HW:  Ch. 16-18.1 worksheet