Atrial systole 

ventricle is relaxed, & because the AV valve is open, the ventricle is filling with blood from the atrium, even prior to atrial systole.

TLS Online TPP Program

#Id: 2402

#Unit 3. Fundamental Processes

TF11S displays little similarity in sequence or structure to the Gre factors, but it binds to the same part of the enzyme, the RNA polymerase secondary channel (pore). 

TLS Online TPP Program

#Id: 5878

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 9101

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 9242

#Unit 6. System Physiology – Plant

The decarboxylation of OAA catalyzed by PEPCK yields CO2, using ATP provided by mitochondrial respiration.

TLS Online TPP Program

#Id: 4982

#Unit 6. System Physiology – Plant

HIR action spectrum for the inhibition of hypocotyl elongation of dark-grown lettuce seedlings. The peaks of activity for the inhibition of hypocotyl elongation occur in the UV-A, blue, and far-red regions of the spectrum.