Formation of the closed complex, in contrast, is readily reversible: polymerase can as easily dissociate from the promoter as make the transition to the open complex.

TLS Online TPP Program

#Id: 7921

#Unit 2. Cellular Organization

Thermogenin activity is responsible for one of the principal functions of BAT: Thermogenesi

TLS Online TPP Program

#Id: 9660

#Unit 4. Cell Communication and Cell Signaling

Many RTKs and cytokine receptors specifically activate the γ isoform (PLCγ), which contains an SH2 domain.

TLS Online TPP Program

#Id: 1345

#Unit 4. Cell Communication and Cell Signaling

All Ras have the CAAX motifs at the C-terminus.

TLS Online TPP Program

#Id: 5315

#Unit 7. System Physiology – Animal

Rapid Ventricular Ejection

atrial filling begins 

left atrial pressure slowly increases as blood is returned to the left heart from the pulmonary circulation.

TLS Online TPP Program

#Id: 3199

#Unit 3. Fundamental Processes

Mismatches between the strands of DNA are one of the major targets for excision repair systems. Mismatch repair (MMR) is accomplished by scrutinizing DNA for apposed bases that do not pair properly