Superantigens

Viral or bacterial proteins that bind simultaneously to the Vβ domain of a T-cell receptor and to the α chain of a Class II MHC molecule

TLS Online TPP Program

#Id: 4613

#Unit 13. Methods in Biology

TUNEL method uses TdT to add BrdU to fixed and permeabilized cells which can only incorporated into fragmented DNA of apoptotic cells.

TLS Online TPP Program

#Id: 5480

#Unit 7. System Physiology – Animal

ACh is formed from acetyl coenzyme A (acetyl CoA) and choline by the action of the enzyme choline acetyltransferase

TLS Online TPP Program

#Id: 10424

#Unit 4. Cell Communication and Cell Signaling

Noncoding RNAs, especially microRNAs, play a critical role in tumorigenesis:

Let-7 miRNAs

miR-15-a 

miR-16-1

miR-21

TLS Online TPP Program

#Id: 6865

#Unit 3. Fundamental Processes

E(var) mutations lie in genes whose products are needed to activate gene expression. They include members of the SWI/SNF complex

TLS Online TPP Program

#Id: 6409

#Unit 2. Cellular Organization

Dual hairpin formation (Region 3-4 forms hairpin then second hairpin is formed between Region 1-2) release RNA-DNA hybrid and RNA Polymerase causes seizing transcription of trp operon at high trp concentration.