ATM and DNA-PK are specifically activated by double-strand breaks

TLS Online TPP Program

#Id: 10145

#Unit 6. System Physiology – Plant

EGTA [ethylene glycol-bis(b-aminoethyl ether)- N,N,N′,N′-tetraacetic acid], a compound that can chelate (form a complex with) Ca2+, prevents Ca2+ uptake by cells and inhibits root gravitropism.

TLS Online TPP Program

#Id: 7497

#Unit 4. Cell Communication and Cell Signaling

Recombination between the D and a JH gene segment occur during pre-pro-B cell to the early pro-B-cell stage.

TLS Online TPP Program

#Id: 521

#Unit 2. Cellular Organization

Yeast genes are short, but genes in flies and mammals have a dispersed bimodal distribution extending to very long sizes.

TLS Online TPP Program

#Id: 9210

#Unit 11. Evolution and Behavior

Genetic bottleneck

Genetic drift arises is through a genetic bottleneck, which develops when a population undergoes a drastic reduction in size

TLS Online TPP Program

#Id: 5198

#Unit 7. System Physiology – Animal

Thrombin is a serine protease that is formed from its circulating precursor, prothrombin, by the action of activated factor X.