IPTG (isopropyl b-D-1-thiogalactopyranoside) X-gal (5-bromo4-chloro-3-indolyl-b-D-galactopyranoside). When acted on by that enzyme, X-gal releases a blue color that makes it useful as substrate in assays.

       

TLS Online TPP Program

#Id: 9370

#Unit 4. Cell Communication and Cell Signaling

SnoN and Ski trigger abnormal cell proliferation by blocking the Smad-complex.

TLS Online TPP Program

#Id: 6557

#Unit 7. System Physiology – Animal

Human preproglucagon is a 179-amino-acid protein that is found in pancreatic A cells, in L cells in the lower GIT, and in the brain

TLS Online TPP Program

#Id: 6459

#Unit 3. Fundamental Processes

TLS Online TPP Program

#Id: 5938

#Unit 10. Ecological Principles

Stability of ecosystem 

More complex

More number of alternate 

More number of connecting link

More number of omnivores 

TLS Online TPP Program

#Id: 9925

#Unit 4. Cell Communication and Cell Signaling

Adenoviruses and cytomegalo virus use to reduce the surface expression of class I MHC molecules, 

Measles virus and HIV, reduce levels of class II MHC molecules on the surface, 

Vaccinia virus, secreting a protein that binds to the C4b complement component.