1. DNA? ... RNA? ... What's the difference?

3. DNA Replication
  National Human Genome Research Institute (NHGRI)      by artist Darryl Leja  

5. DNA and Protein Synthesis
The central dogma. Image from Purves et al., Life: The Science of Biology, 4th Edition, by Sinauer Associates ( and WH Freeman (

6. Transcription
Transcription of a segment of DNA to form a molecule of RNA. The above images are from

7.   
                                                             
Protein Synthesis
National Human Genome Research Institute (NHGRI)      by artist Darryl Leja