Homothorax gene encode transcription factors that are critical for antenna formation.

TLS Online TPP Program

#Id: 6496

#Unit 3. Fundamental Processes

TFIIH is the only general transcription factor that has multiple independent enzymatic activities. Its several activities include an ATPase, helicases of both polarities, and a kinase activity that can phosphorylate the CTD tail of RNA polymerase II (on serine 5 of the heptapeptide repeat). TFIIH is an exceptional factor that may also play a role in elongation.

TLS Online TPP Program

#Id: 5323

#Unit 7. System Physiology – Animal

 Isovolumetric Ventricular Relaxation

When left ventricular pressure falls below aortic pressure, the aortic valve closes.

TLS Online TPP Program

#Id: 9472

#Unit 4. Cell Communication and Cell Signaling

Two mechanisms for terminating cytokine signaling:

1. Short-term regulation: SHP1

2. Long-term regulation: SOCS proteins

TLS Online TPP Program

#Id: 2380

#Unit 3. Fundamental Processes

Prp5 is critical for U2 binding

TLS Online TPP Program

#Id: 3362

#Unit 6. System Physiology – Plant

The rate of rotation in intact mitochondria has been estimated at about 6,000 rpm—100 rotations per second