Lyn, can play a negative as well as a positive role in FcεRI signaling by phosphorylating and activating the inhibitory FcεRIIB.

TLS Online TPP Program

#Id: 3249

#Unit 3. Fundamental Processes

The presence of the bromo substituent allows the base to mispair with guanine via the enol tautomer

TLS Online TPP Program

#Id: 3251

#Unit 3. Fundamental Processes

5-bromouracil induces transitions in both directions, A:T ↔ G:C.

TLS Online TPP Program

#Id: 3254

#Unit 3. Fundamental Processes

Tautomeric forms of the four common bases in DNA.

TLS Online TPP Program

#Id: 3257

#Unit 3. Fundamental Processes

Intercalating agents, such as proflavin, acridine, and ethidium, cause the deletion or addition of a base pair or even a few base pairs.

TLS Online TPP Program

#Id: 3258

#Unit 3. Fundamental Processes

Intercalating agents are flat molecules containing several polycyclic rings that bind to the equally flat purine or pyrimidine bases of DNA, just as the bases bind or stack with each other in the double helix

TLS Online TPP Program

#Id: 3259

#Unit 3. Fundamental Processes

 Ultraviolet light induces the formation of a cyclobutane ring between adjacent thymines