Phosphorylation of RegA is mediated by sensor histidine kinases/phosphatases which either phosphorylate or dephosphorylate themselves on a histidine residue when a signal molecule binds to their sensor domain.

TLS Online TPP Program

#Id: 8195

#Unit 2. Cellular Organization

A Pex 2, Pex 10, and Pex 12 complex embedded in the peroxisomal membrane transfers Ubiquitin to two embedded Pex 5 receptors.

TLS Online TPP Program

#Id: 8003

#Unit 10. Ecological Principles

Ecological envelope - The range of ecological conditions that are predicted to be suitable for a species.

TLS Online TPP Program

#Id: 6462

#Unit 3. Fundamental Processes

A typical gene transcribed by RNA polymerase II has a promoter that extends upstream from the site where transcription is initiated.

TLS Online TPP Program

#Id: 3995

#Unit 2. Cellular Organization

When an ethidium ion intercalates between two base pairs, it causes the DNA to unwind by 260, reducing the normal rotation per base pair from 360 to 100. In other words, ethidium decreases the twist of DNA.

TLS Online TPP Program

#Id: 825

#Unit 4. Cell Communication and Cell Signaling

Effector‐encoding genes or avirulence (Avr) genes, found in pathogen as the Pseudomonas produces AvrPto effector causes avirulence.