When polymerase binding causes transition to the open complex and initiates transcription. This gives a low level of constitutive expression called the basal level.  Binding of RNA polymerase is the rate-limiting step in this case.

TLS Online TPP Program

#Id: 2467

#Unit 13. Methods in Biology

Slab gels can develop a “Smiling Effect” When in a gel more Joule heat is produced than can be dissipated, leads to the higher mobility of the ions in the center, resulting in an uneven distribution of the zones, These zones bend up at the two lateral sides, causing “smiling.” 

TLS Online TPP Program

#Id: 658

#Unit 3. Fundamental Processes

TTAGGG repeats with size of 3–20-kb are telomeres of human chromosomes.

TLS Online TPP Program

#Id: 4542

#Unit 12. Applied Biology

DNA vaccines use the DNA of a pathogen to elicit an immune response.

TLS Online TPP Program

#Id: 6371

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 8591

#Unit 2. Cellular Organization

Due to C-terminal prenylation of lamin B, 

lamin B dimers remain associated with the nuclear

membrane