During termination, the release factor binds this site  A site E site  P site

How does the 4 feature of transcription factors namely the structural motifs of DNA binding protein, activation domains, multiple transcription factors and enhancers help in the design of a building block tool. U can use the SrY gene as ur building block tool. Pls explain in details using those features of the transcription factors. In 400 words

You are growing E. coli in a laboratory in order to study their operons. The growth media you are using contains lactose, no glucose and no tryptophan.  Using your knowledge of operons and their regulation, answer the following questions  I really need a in depth epxplantion for the queshtions to make sure i understand the answers    a.What effect does lactose have on the bacterial cell’s lac operon?    b.What does the absence of glucose do to the bacterial cell?    c.You now add tryptophan to the cell. What would happen to the bacterial cell and its trp operon?   d.What kind of regulation does lactose provide to an operon’s repressor?

The following diagram depicts the elements at the: Ac TTC g99 Ea cgcc tata an! ATT BRE TATA box Inr DPE (TBP) TFIIB TEIID Promoter Enhancer O transcribed gene O Silencer