CK-12 Foundation
Ck 12: Gene Expression and Regulatory Proteins
[Free Registration/Login may be required to access all resource tools.] Gene expression is the use of a gene whose product is necessary for that moment. Whenever a particular protein is needed, gene expression provides it. This module...
Khan Academy
Khan Academy: Transcription Factors
Find out some general and specific transcription factors. Learn about transcription initiation complex and looping as well as combinatorial regulation.