For RNA polymerase II, the positioning factor is TFIID, which consists of TBP associated with up to 14 other subunits called TAFs (for TBP -associated factors). 

TLS Online TPP Program

#Id: 4899

#Unit 13. Methods in Biology

The t-test is any statistical hypothesis test in which the test statistic follows a student’s t-distribution under the null hypothesis.

TLS Online TPP Program

#Id: 6465

#Unit 3. Fundamental Processes

Proteins bound at enhancer elements interact with proteins bound at promoter elements via DNA looping, very often through intermediates called coactivators.

TLS Online TPP Program

#Id: 6850

#Unit 3. Fundamental Processes

TLS Online TPP Program

#Id: 8586

#Unit 2. Cellular Organization

Inside the nucleus, SUN proteins bind to the nuclear lamina or chromosomes.

TLS Online TPP Program

#Id: 1842

#Unit 3. Fundamental Processes

Eukaryotic nuclei contain RNA polymerase I, RNA polymerase II, and RNA polymerase III can be separated by using DEAE-Sephadex ion-exchange chromatography