Unit 2: Information Transfer and Mobile Genetic Elements.

"Within each cell, genetic information flows from DNA to RNA to protein." - Francis Crick, explaining the (then new) central dogma of molecular biology in 1957.

Objective 3:

Promoter strength (3c)
What Is The Role Of RNA Polymerase In Transcription? What are promoter sites?
RNA polymerase termination signal in prokaryotes (3d)
Zebrafish Glow in the Morning - firefly gene linked to biological clock promoter helps researchers understand circadian rhythms. (optional)

Objective 7:

Animation: Gene Information Processing in Prokaryotes vs. Eukaryotes ^(optional)

Objective 11:

Transposons: Spam from the Dark Ages ^(optional)

Objective 12:

Recombinant DNA and gene cloning
Give the dog a clone ^(optional)

Objective 13:

PCR (supplementary):

What the heck is PCR?
PCR schematic
Diagram of the PCR reactions

Objective 14:

Gel electrophoresis (supplementary):

Southern Blot Schematic

Objective 15:

Genome mapping (supplementary)

Objective 16:

DNA profiling (supplementary):

Saddam's DNA test a fast job
DNA profiling - Mallory, Lost on Everest (Nova Online)

Optional Supplementary Material:

Gene Therapy
RNA vs DNA
Origin of tRNA and rRNA

Genetic engineering:

Flower Power Takes on Land Mines (story with image)
Bacteria modified to help make missile fuel