The affinity of a signal molecule’s binding to its receptor is quantified by the dissociation constant for binding (Kd).

TLS Online TPP Program

#Id: 1334

#XL - T Zoology

The pertussis toxin, produced by Bordetella pertussis Catalyze a covalent modification of the Gαi protein preventing GDP-GTP exchange.

TLS Online TPP Program

#Id: 9707

#XL - T Zoology

Ligand binding and dissociation of the G protein subunits, the membrane-tethered Gβγ subunit binds the Ste5.

TLS Online TPP Program

#Id: 5386

#XL - T Zoology

Density-independent factors limit population size regardless of the population’s density.

Common density-independent factors include natural disasters such as tornadoes, hurricanes, floods, and fires.

TLS Online TPP Program

#Id: 8851

#XL - R Botany

Geminin is expressed in late G1; it binds to and inhibits Cdt1 preventing reloading of the MCM helicase.

TLS Online TPP Program

#Id: 9400

#XL - T Zoology

Konrad Lorenz