The overall reaction rate for the bacterial RNA polymerase can be as fast as 40–50 nucleotides/ second at 37°C for most transcripts; this is about the same as the rate of translation (15 amino acids/sec), but much slower than the rate of DNA replication (800 bp/sec).

TLS Online TPP Program

#Id: 10215

#Unit 6. System Physiology – Plant

F-box proteins called KISS ME DEADLY (KMD) proteins

negatively regulates the cytokinin response by targeting type-B ARR proteins for degradation via the E3 ubiquitin ligase complex, SCF-KMD

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#Id: 1766

#Unit 4. Cell Communication and Cell Signaling

Activated T cells express increased levels of Fas and FasL. In both B and T cells, engagement of Fas by FasL induces a rapid apoptotic death known as activation-induced cell death (AICD).

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#Id: 2594

#Unit 13. Methods in Biology

A more attractive alternative is to cover the reaction mixture with a plug of inert wax and place the critical reagent on top of this plug. 

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#Id: 10361

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 5265

#Unit 7. System Physiology – Animal

Phase 2 (plateau), calcium channels open and fast potassium channels close