Helpful Animations for Chapter 19-20

These animations are very short (generally 2 minutes or less) and they help illustrate some of the main ideas you are learning about in these chapters.

Regulation of Eukaryotic Gene Transcription

DNA Transcription in Eukaryotes

Intiation of Eukaryotic Transcription

DNA Packaging

How to Control Eukaryotic Gene Expression by modifying histone proteins

Transcription Factors and Enhancers- How They Work in Eukaryotes

p53 Transcription Factor "turns on" a eukaryotic gene

Polymerase Chain Reaction

Genetic Engineering (how to clone a gene into a bacteria)