Recombination between the D and a JH gene segment occur during pre-pro-B cell to the early pro-B-cell stage.

TLS Online TPP Program

#Id: 10281

#Unit 6. System Physiology – Plant

ABA signaling in guard cells is largely mediated through the second messenger Ca2+.

TLS Online TPP Program

#Id: 7431

#Unit 5. Developmental Biology

CMF stimulates gene expression in parallel with PSF, and both signals potentiate cAMP signalling by inducing genes involved in cAMP synthesis and detection

TLS Online TPP Program

#Id: 9101

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 3335

#Unit 3. Fundamental Processes

Seven genes have been identified in which mutations give rise to XP, these genes specify proteins (such as XPA, XPC, XPD, XPF, and XPG;)

TLS Online TPP Program

#Id: 6474

#Unit 3. Fundamental Processes

The promoters for Classes I and II, 5S and tRNA genes, are internal; they lie downstream of the start point.